Answer:
Part A) The percentage increase was 
Part B) Michael is financially better off this year than last year
Step-by-step explanation:
Part A)
we know that
Using proportion
Let
x-----> the percentage increase

Part B) Compare the percentage increase with the inflation

The percentage increase is greater than the inflation
therefore
Michael is financially better off this year than last year
Answer:
C - (C/100x20)
Step-by-step explanation:
Cost minus the tax
the tax is 20 percent therefore cost divided by 100 times 20
2(x + 9)
2*x + 2*9
2x + 18 ← answer
Answer:
48.8m
Step-by-step explanation:
Formula for square area =
= 148.84 
=> a =
= 12.2
Formula for square perimeter = 4a = 4 x 12.2 = 48.8 m
Answer: 76/8547
Step-by-step explanation:
two possibilities
3 boys or 4 boys it would end up as
(18C3+18C4)/37C5