Answer:
X= 7
Z= 117
Step-by-step explanation:
Z would be 117 because on the bottom half of the equation it has to be equal to 180. It gave you 63 already and so I just took the 180 and subtracted the 63 to get 117.
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Answer:
joan is 15
Step-by-step explanation:
27+3=30
30÷2=15
the quotient of two and a number x is:
2/x
minus is -
9 is 9
and the answer is
9-2/x
If there is a 5% drop every month, then the class becomes 1-5%=1-0.05=0.95 times the previous size.
The formula for

months would be

so for 12 months it would be