Question

Jillian exercises 5 times a week . She runs 3 miles each morning and bikes in the evening . If she exercises a total of 30 miles for the week how many miles does she bike each evening

Answer 1

The answer is:  " 9 mi. "

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Note:

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1 week = 7 days

Total exercise:  30 mi/ wk.

3 mi * 7 = 21 mi. / wk running.

How many miles per week biking?

Assuming that her exercise is strictly:  1) running; and 2) biking:

30 mi  -  21 mi. =  9 mi.

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The answer is:   " 9 mi. "

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