3 years ago

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.

1 answer:

7 0

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

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