Question

Question #8718e

Answer 1

first half: 48 km/h

second half: 72 km/h

Explanation:

Based on the problem as you've stated it, I think what you have is:

`(x + 1.5x)/2` = 60

`x(1 + 1.5) = 120`

`2.5x = 120`

`x = 120/2.5 = 48`

`1.5x = 72`