The first and last represent functions, no function has an input with two separate outputs
You can use substitution or elimination or graphing to solve the equation. Since both of the equations are in slope intercept form it will be easier to use substitution or to graph it and find the point of interception.
I believe it's ( 0 -2 )
Hope this helped!
1 quart= 2 pints so 31 pints = 15.5 quarts so 15.5+13=23.5-20= 3.5 left hope this explains it better!!
13.2 gallons hope this helped!
