Question

using the equation C = 30h + 20, find the number of hours that Bart worked on a car if the cost of the repair was $350.

base fee is 20 rate is 30

Answer 1

Answer:

11=h

11 hours of work

Step-by-step explanation:

350=30h+20

subtract 20 from each side

330=30h

divide by 30 to each side

11=h