Question 1078581
two cars together drive 656 miles in 4 hours or 164 mph combined speed
one car travels x mph
the other is traveling x+6 mph
x+x+6=164
2x+6=164
2x=158
x=79 mph
x+6=85 mph
in 4 hours, one car travels 316 miles and the other 340 miles.  That is 656 miles.