At the airport, d airplanes flew away, and b were still there. How many more airplanes stayed at the airport than flew away?

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

the correct answer is c

c

step-by-step explanation:

the answer is

a.

x = 42

y = 10

i got it down chief.