Question

Grace swam a mile in 21 minutes. Jill swam a mile in 19.47 minutes. How

much faster did Jill swim than Grace?

Answer 1

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Answer:

1.53 minutes faster

Explanation:

A question of this nature can be answered a number of ways. Often, when athletes compare speeds over a course of a specific length, they do it by comparing times.

Here, Jill"s time is ...

21.00 -19.47 = 1.53

minutes less than Grace"s time.

Jill swam a mile 1.53 minutes faster than Grace did.