Asked by Molly
A mechanic charges $70 an hour plus the cost of parts to repair a vehicle. The parts cost $215 for the repair on Tamara's car.
A) write an expression for the total cost, C, of repairing Tamara's car for any numbers of hours, n.
B) use the expression you created in part a) to calculate the cost of repairs that take 3 1/2 h.
A) write an expression for the total cost, C, of repairing Tamara's car for any numbers of hours, n.
B) use the expression you created in part a) to calculate the cost of repairs that take 3 1/2 h.
Answers
Answered by
Ms. Sue
a)
C = 70n + 215
b)
C = (70 * 3.5) + 215
C = ?
C = 70n + 215
b)
C = (70 * 3.5) + 215
C = ?
Answered by
Molly
Thank you
Answered by
Ms. Sue
You're welcome.
Answered by
Anonymous
The graph represents a mechanic’s labor costs for a given number of hours of car repair.
Which statement describes the relationship between labor cost and time for a car repair?
All repairs requiring 1 hour or less have the same labor cost.
Labor costs the same no matter how many hours are used for a repair.
Labor costs for a repair are more expensive as the number of hours increases.
There is no cost of labor for a repair requiring less than 1 hour.
Which statement describes the relationship between labor cost and time for a car repair?
All repairs requiring 1 hour or less have the same labor cost.
Labor costs the same no matter how many hours are used for a repair.
Labor costs for a repair are more expensive as the number of hours increases.
There is no cost of labor for a repair requiring less than 1 hour.
Answered by
Anonymous
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