Mary is running a marathon which is a total of 26 miles. she is running at a pace of 7.5 miles per hour and has already run 8 miles. if she stays at the same pace, how much time in hours does she have left?

the answer is a

step-by-step explanation:

answer: im sorry i dont get it

step-by-step explanation:

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15

the answer is d

step-by-step explanation:

you can also use mathway to get you answer + steps