A wheel makes 1 7/20 rotations per minute. If it rotates for 48 mins, how many rotations does it make?

Expert Answers

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The wheel makes 1 7/20 rotations in one minute.

That is equal to 1 + 7/20

=> (20 + 7)/20

=> 27/20 rotations in a minute.

If it rotates for 48 minutes the number of times it rotates is 48*(27/20)

=> 324/5

=> 64.8

The wheel rotates 64.8 times in 48 minutes.

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