A mechanic ground 6 valves in 25 minutes. At that rate, how long will it take to grind 45 valves of the same kind?

asked Jun 24, 2021 27.1k views

2 votes

A mechanic ground 6 valves in 25 minutes. At that rate,

how long will it take to grind 45 valves of the same kind?

by NoamG

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Answer:

3hours and 12.5 minutes

Explanation:

45/6=7.5x25=187.5/60=3hours and 12.5 minutes

Tomascapek answered Jun 29, 2021

5.2k points

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