Question

Your sister drives 60 minutes at a constant speed of 40 miles per hour. She then reaches the highway and speeds up therefore driving for another 30 minutes at a constant speed of 60 miles per hour.

a) how far did you and your sister travel altogether?
b) how long did it take?

Answer 1

a) your sister drove 70 miles total

b) it took 90 minuets

Answer 2

a.) You and your sister traveled 70 miles altogether
b.) It took 90 minutes