Sophia can walk 1.4 miles in 15 minutes. At this rate how far can she walk in an hour

My answer is 5.6.

you have to divide 1.4/15. Once you’ve done that step. Your answer is going to be multiplied resulting to 5.6. I hope this helps!

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.