Question 620280
two cars are traveling in the same direction on a road. 
the car that leads is traveling at 46 mph.
 The other car is traveling at 70mph.
 How many miles apart will they be 30 minutes before the faster car catches the slower one?
:
The relative speed between the cars: 70 - 46 = 24 mph
:
"How many miles would the be covered at 24 mph for half an hour?"
.5(24) = 12 miles apart