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A mechanic fixes 3 cars every 18 minutes. If he fixes cars at this same rate, how long would it take for him to fix 12 cars?

A mechanic fixes 3 cars every 18 minutes. If he fixes cars at this same rate, how long would it take for him to fix 12 cars?
asked 117k views
1 vote
A mechanic fixes 3 cars every 18 minutes. If he fixes cars at this same rate, how long would it take for him to fix 12 cars?

asked
User Jason Turner
by
8.5k points

2 Answers

6 votes
3x = 18 • 12

3x = 216

Divide

X= 72
answered
User Leo Bartkus
by
8.4k points
4 votes
72 minutes.

3 cars every 18 minutes=1 car every 6 minutes.
12 cars x 6 minutes per car= 72 minutes
answered
User Bruno Simoes
by
7.8k points
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