Question

A bus and a car leave from the same city traveling in opposite directions. The bus leaves 2 hours before the car does. The bus travels at a steady speed of 50 mph while the car travels at 70 mph. After how many hours will the bus and car be 800 miles apart?

If h represents the number of hours the bus travels, then which of the following expressions represents the number of miles the car travels?
70(h + 2)
70(h - 2)
70h

Answer 1

Answer:

number of hours = h

the bus left 2 hours before the car so the car traveled h-2 hours

The car travels at 70 mph.  

so the equation for the car is: 70(h-2)

Answer 2

Answer:

option 2 is correct i think