Q:

Two cargo trains each leave their respective stations at 1:00 p.m. and approach each other, one traveling west at 6 miles per hour and the other on separate tracks traveling east at 14 miles per hour. The stations are 40 miles apart. Find the time when the trains meet and determine how far the eastbound train has traveled. A). 3 p.m, 28 mi B). 12 p.m., 20 mi C). 2 p.m., 18 mi. D). 1 p.m., 15 mi

Accepted Solution

A:
let x = hours6x + 14x = 4020x=40x = 40/20 = 2 hours1 pm + 2 hours = 3 pmeastbound trains is going 14 miles per hour, 14 mph x 2 hours = 28 miles
 Answer is A. 3 pm and 28 miles