Question

A truck drove at an average rate of 45 miles per hour on the highway and 20 miles per hour once it entered the city. If it took the trip, which was 100 miles, in 3 hours, how much of it was in the city?

Answer 1

28

Explanation:

Answer 2

45 * 1.6 + 20 * 1.4 = 100
72 + 28 = 100
100 = 100