C. for the first part, i combined all like terms until it was in simplist form. for the second part i replaced x with 5 and solved the problem using 5 instead.
C. For the first one (part A) I distributed 3 and 2 to everything that was in the parentheses. Then I got 12x + 4 because you cant add them cause they don’t have like terms. For the second question (part B) I simply just replaced x with 5 and I solved the rest of the problem which got me to x = 64.
Is D Explanation : you have to divide the amounts too see how many cheese for one person and then you subtract them and you get you answer that will be like this 2.5 divided by 10 = 0.25 1.6 divided by 8 = 0.2 0.25 - 0.2 = 0.05
