HI could someone help me with this question? Thank you very much

A tip: Just solve & solve it, you will end up having solution.

At first,

On comparing, we can say that,

Put e = f - 10 in 4e = 9f

Put f = -8 in equation(i) to find the value of e;

And finally we have got f = -8 & e = -18, now let procede futher;

Thus, our final answer is 180.

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

i believe the answer is letter c) 8

step-by-step explanation: