Question

Biking Tri

Maureen went on a 3 day, 59 mile biking trip. The first day she biked 15.5 miles. The second day she
biked 21.9 miles. How many miles did she bike on the 3rd day ?

Answer 1

21.6 miles

Explanation:

59-15.5-21.9= 21.6

or

21.6+15.5+21.9= 59