If a car travels 33.6 miles in 0.75 hours, then what distance does the car cover in an hour?

44.8 miles

Step-by-step explanation:

We can use ratios to solve

33.6 miles      x miles  

  =

.75 hours       1 hours

Using cross products

33.6 * 1 = .75x

Divide each side by .75

33.6 / .75 =x

44.8 miles

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.