A jet plane traveling at 400 mph overtakes a propeller plane traveling at 250 mph that had a 2-hour head start. How far from the starting point are the planes? The planes are miles from the starting point
(Simplify your answer. Type an integer, fraction, or mixed number.)

3.0

Step-by-step explanation:

If the ratio is boys to girls, in fraction form (ratio form) that's

When we set up the ratio using the numbers, we have to keep the boy stuff with the boy stuff on top, and the girl stuff with the girl stuff on bottom.  So the ratio with the given numbers is

Reducing that down to decimal form, since 12 is divisible by 4 evenly, would be 3.0