two cars leave at the same time and travel in opposite directions. one travels 44mi/hr and the other travels 55mi/hr. in how many hours will they be 297 miles apart.

In 3 hours, the cars will be 297 miles apart.

Explanation:

Speed=Distance/Time

Distance = Speed X Time

Speed of 1st Car=44 miles/hr

Distance=44 X Time taken = 44t

Speed of 2nd Car=55 miles/hr

Distance=55 X Time taken = 55t

Total Distance Covered by both Cars = 44t + 55t = 99t

The cars are 297 miles apart, therefore:

99t = 297

t = 3 hours

It means that in 3 hours, the distance between the cars is 297 miles.