Question 154757
For this problem, you'll need to apply the "distance formula":
d = rt
where
d is distance
r is rate or speed
t is time
.
Let x = time traveled
.
"distance traveled by 60 mph car" + "distance traveled by 64 mph car" = 310
.
60x + 64x = 310
124x = 310
x = 310/124
x = 2.5 hours