Chapter 1: Q2. (page 3)
Determine whether you need an estimate or an exact answer. Then solve.
Luis rode his bike 1.2 miles to his friend's house, then 0.7 miles to the video store, then 1.9 miles to the library. If he rode the same route back home, how far did he travel in all?
Short Answer
Luis traveled a total of 7.6 miles to reach the final destination and come back from there by following the same routes.