I just answered that on someone elses. the last one is 4x+y+5z=3
answer the other one on the online algebra calcultor
Answer:
I think that it D
Step-by-step explanation:
C= .07=70%. So I know that it is not C
A= 30% but the question doesn't even have a 3 in it, so therefore it cannot be A.
B= Is basically the same concept as A. There is no .3 or 3 peroid.
So I say D