3 years ago

If a revolving restaurant can rotate 270° in 45 minutes, how long does it take for the restaurant to make a complete revolution?

2 answers:

Neko [114]3 years ago

7 0

270/360 = 0.75 = 3/4 of a complete revolution

45 minutes = 3/4 of an hour

so it is doing 1/4 of a revolution every 1/4 hour

so it would take 1 hour to do a complete revolution

eduard3 years ago

4 0

The answer is one hour. 360-270=90 90 is a fourth of 360. 45 minutes is 3/4 of an hour so yeah

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