I think that the answer would be 5/5
The answer is 1575. Divide 1080 by 24 to get cost per plate. Then multiply it by 35.
because 4x+20y=-36,so ( 4x+20y)/2=2x+10y=-18
(2x+10y)-(2x+5y)=-18-18
5y=-36
then y=-7.2
because 2x=18-5y
so x=(18-5y)/2=(18-5*(-7.2)）/2=27
1,187,888,284 hope this helped (:
