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Jack paid $120 to have his bus fixed at an auto-repair shop. The parts of the bus cost $72, and service was charged at $12 an hour. How many hours was the bus worked on?

Jack paid $120 to have his bus fixed at an auto-repair shop. The parts of the bus cost $72, and service was charged at $12 an hour. How many hours was the bus worked on?
asked 163k views
6 votes
Jack paid $120 to have his bus fixed at an auto-repair shop.

The parts of the bus cost $72, and service was charged at $12
an hour. How many hours was the bus worked on?

asked
User Soon Santos
by
7.6k points

1 Answer

3 votes

Answer:

4 hours

Explanation:

72+12x=120 and when you isolate x you get x=4

answered
User Zhm
by
7.8k points
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