Answer:
10
Step-by-step explanation:
-80 / -8 = 10
the negatives cancel each other out
It is.................x+y=5
divide them
17.16/0.624 = 27.5
27.5 is the answer
double check by multiplying 27.5 by 62.4%
27.5*.624 = 17.16
54 percent
You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%