Question

A train leaves Little​ Rock, Arkansas, and travels north at 75 kilometers per hour. Another train leaves at the same time and travels south at 75 kilometers per hour. How long will it take before they are 450 kilometers​ apart?

Answer 1

3 hrs


75+75=150

450 divided by 150= 3

Answer 2

3h

Explanation:

let time be x

total distance = 450

75x+75x=450

150x=450

x=3h