Roger mixed 5/8 red paint with 2/5 yellow paint to make orange paint. how much red paint does he need to mix with 1 cup yellow paint to make a larger batch of orange paint?

idk im srry

step-by-step explanation:

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.