SOLUTION: a pulley rotates through 75 degrees in 1 min. How many rotations does the pulley make in an hour?

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Question 207643This question is from textbook
: a pulley rotates through 75 degrees in 1 min. How many rotations does the pulley make in an hour? This question is from textbook

Answer by Alan3354(69443) About Me  (Show Source):
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a pulley rotates through 75 degrees in 1 min. How many rotations does the pulley make in an hour?
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1 hr = 60 mins
75 degs x 60 = 4500 degs per hour
4500/360 = 12.5 revolutions