Mark M. answered 02/21/15
Tutor
4.9
(950)
Retired Math prof with teaching and tutoring experience in trig.
Let x = distance traveled by the truck
x + 70 = distance traveled by the car
Then, x + (x + 70) = 350
2x + 70 = 350
2x = 280
x = 140 miles
The truck traveled 140 miles and the car traveled 210 miles.