$16.80 / 4 gallons = $4.20 per gallon
Answer:
2
Step-by-step explanation:
10% of 13 is 1.3 so 13+1.3= 14.3
The given equation is

First we solve for y, and for that, we have to islolate y, that is

And it pass the vertical line test. So here y is a function of x .
So we can define the given equation as y as a function of x .
8 x 2 1/4 = 18
the stack is 18 in. thick.
Hope this helps!!
~Kiwi