use a systems of equations
x+y=32
4x+3y=111
x+y=32 equals x=-y+32 substitute that into the other equation
4(-y+32)+3y=111
-4y+128+3y=111
-y+128=111
-y=-17
y=17
since y was used as “3y” that is the variable used for the 3 point questions, so there are 17 3 point questions
