Answer:
The hight of the box is 1.2 m
Step-by-step explanation:
250cm= 2.5m
100cm= 1m
2.5x1=2.5
3/2.5=1.2
2.5 x 1 x 1.2=
First of all, lets get y on its own side of the equation.

This is slope intercept form, y=mx+b, where m is slope.
we can see that m=2, so the slope is 2 or 
It is true because it passes the horizontal line test
There are 4 quarts in a gallon, therefore you would use 1 quart of solution.