Answer:
What do you mean
Step-by-step explanation:
G equals 4, as side both sides by 2, then add three, and divide by four.
Answer:20.571
Step-by-step explanation:
x:y = 21: 24=7:8
8x=7y
y=8x/7
When x=18
y=8*18/7
y=20.571
Change the percent to decimal
4%= .04
.04x = 56
solve for x
so x = 1400
You could do all of the work with the multiplying, but what I think it wants you to see is that you can divide like numbers by subtracting exponents.
so if we did that we would get 
this in turn would give us 4 x -9 x -5 = 180