Question 1070435
eastbound=x mph
westbound = x+15 mph
after 2 hours the westbound is 2(x+15)
the east bound is 2x
They add to 78
4x+30=78
4x=48
x=12 mph
x+15=27 mph
In 2 hours, the east bound went 24 miles and the west bound 54 miles, and that adds to 78 miles