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11 votes
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

1 Answer

6 votes

Answer:

11=h

11 hours of work

Explanation:

350=30h+20

subtract 20 from each side

330=30h

divide by 30 to each side

11=h

User Saurav Sircar
by
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