A plumber charges $75 for the first 30 minutes of each house call plus $2 for each additional minute that she works. The plumber charges Adam $113 for her time. For what amount of time, in minutes, did the plumber work?
The average of an electrician's hourly wage and a plumber's hourly wage is $33. One day a contractor hires the electrician for 8 hr of work and the plumber for 5 hr of work and pays a total of $438 in wages. Find the hourly wage for the electrician and fo
An emergency plumber charges $65 as a call-out fee plus an additional $75 per hour. He arrives at a house at 9:30 and works to repair a water tank. If the total repair bill is $196.25, at what time wa
An electrician charges a $40 fee to make a house call plus an hourly rate for labor. If the total bill for a job that takes 2 hours comes to $99, what is the electricians hourly labor rate?
Carmine paid an electrician x dollars per hour for a 5-hour job plus $70 for parts. The total charge was $320. How do you write an equation to determine how much the electrician charged per hour?
In the following, write an expression in terms of the given variables that represents the indicated quantity: The cost of having a plumber spend h hours at your house if the plumber charges $30 for coming to the house and $x per hour for labour.
A plumber charges $45 for a service call plus $25 for each hour that he is working at a customer s house. If he conducts a service call that takes 3 hours, what will the customer's bill be?
A computer technician bills $30 initial consulting fee plus $40 for every half-hour of labor performed. Then 8% sales tax is added on to this subtotal. What formula expresses this billing rate to a customer who requires n hours of work?
Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of wat
Paul's Plumbing charges a flat fee of $50 per service call plus an hourly rate of $42.50. This means that cost is a function of the hours the job takes to complete. a. Write this relationship in function form b. Find the cost of a service call that tak
A repairman is called to fix a broken pipe. He is paid $47, plus $1 per minute worked. The equation gives the cost C of having the pipe repaired, corresponding to a time of t minutes that the repairman works. Find the cost in dollars corresponding to the
Jason recently hired a landscaper to do some necessary work. The landscaper gave a quote of $325 for parts plus $67 an hour for labor. When the work was complete, the total bill was $1,263. Complete the following steps to determine how many hours of labor
Water leaks from a tank at a rate r ( t ) gallons per hour. Estimate the total amount of water that leaks out during the first four hours, using... t 0 0.5 1 1.5 2 2.5 3 3.5 4 r(t) 4.00 2.82 2.10 1
A1 Plumbing Service charges $35 per hour plus a $25 travel charge for a service call. Good Guys Plumbing Repair charges $40 per hour for a service call with no travel charge. How long must a service call be for the two companies to charge the same amount?
A man estimates that he can paint his house in x hours of his spare time if he buys equipment costing \frac {500 + 3000}{x^2} dollars, and that his spare time is worth $2 per hour. How many hours should he take (in order to minimize his total costs)? Hr
If you are paid a weekly base salary of $200 plus an hourly wage of $5.00, determine an equation for finding your weekly gross pay (P) for t hours. Specify a number of hours between 25 and 50 hours wo
The bill (parts and labor) for the repair of a car was $458. The cost of parts was $339. The cost of labor was $34 per hour. Write and solve an equation to find the number of hours of labor.
Two plumbers received a job. At first, one of the plumbers worked alone for 1 hour, and then they worked together for the next 4 hours. After this 40% of the job was finished. How long would it take e
An electrician charges a customer $260 for 4 hours. He charges one customer $150 for 2 hours. How much does he charge for his service fee, x, and his hourly charge, y, to his customers?
Villa Park Plumber1. A man estimates that he can paint his house in x hours of his spare time if he buys equipment costing 100+\frac{5,000}{x^{2 dollars, and that his spare time is worth $2 per hour. How many hours
An engineer charges $60 per hour and his assistant receives $20 per hour. For a certain job, a client received a bill of $580. If the assistant worked for 5 fewer hours than the engineer, how much time did each one worked?
Julie needs to have a toilet repaired in her house. The cost of the new plumbing fixtures is $110 and labor is $70/hr. Write a model that represents the cost of the repair C (in $) in terms of the number of hours of labor x .
Oil leaks out of a tanker at a rate of r = f(t) gallons per minute, where t is in minutes. Write a definite integral expressing the total quantity of oil (in gallons) which leaks out of the tank
If you are paid an hourly wage of $9.00, determine an equation for finding your weekly gross pay (P) for t hours. Specify an amount between 25 and 40 hours worked for 1 week and determine your gross p
An auto repair shop charged a customer $390 to repair a car. The bill listed $75 for parts and the remainder for labour. If the cost of labour is $45 per hour, how many hours of labour did it take to repair the car? A. 6 hours B. 7 hours C. 8 hours D. 7.5
Company A charges $110 for the truck and $55 per hour for the movers. Company B charges $100 for the truck and $60 per hour for the movers. Create a cost equation for each company where y is the total
When three pipes fill a pool, they can finish in 12 hours. Two of the pipes can finish in 18 hours if they are working together. How long would it take a third pipe to fill the pool on its own?
You get paid a salary equal to $20/hour for a standard 40-hour work week and 1.5 times your hourly rate for each hour of overtime worked. \ a) Determine an equation for calculating your total pay in a week where overtime is worked. \ b) Solve the equ
The rate (in liters per minute) at which water drains from a tank is recorded at a half minute intervals. Use the average of the left and right endpoint approximations to estimate the total amount of water drained during the first 3 minutes. t \ (\tex
A water tank can be filled by an inlet pipe in 7 hours. It takes 2 times as long for the outlet pipe to empty the tank How long will it take to fill the tank if both pipes are open? Enter your answer as an integer or decimal number.
A roofing contractor purchases a shingle delivery truck with a shingle elevator for $42,000. The vehicle requires an average expenditure of $6.50 per hour for fuel and maintenance, and the operator is paid $11.50 per hour. (a) Write a linear equation givi
The Tomkins Company forecasts that total overhead for the current year will be $1,200,000 and that total machine hours will be 10,000 hours. Year to date, the actual overhead is $800,000 and the actual machine hours are 20,000 hours. If the Tomkins Compan
The rate (in liters per minute) at which water drains from a tank is recorded at half-minute intervals in the table below. Use the average of the left- and right-endpoint approximations to estimate the total amount of water drained during the first 3 minu
Al's Rentals charges $25.00 per hour to rent a sailboard and a wet suit. Wendy's Rentals charges $20.00 per hour plus $15.00 extra for a wet suit. Find the number of hours for which the total charges
The exterior of a house needs to be painted. Bill's crew can paint the house in 12 hours, while it would take Ted's crew 14 hours to paint the house. Bill's crew starts the job for 3 hours before being joined by Ted's crew. What is the total amount of tim
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