Answer:
y=2457xy
Step-by-step explanation:
the answer is C
just substitute the letters
math has:30
game has:26
math⇒x
game⇒y
x+y=56
x=y+4
so y+4+y=56 ⇒2y+4=56
⇒56-4 ⇒2y=52⇒y=52/2⇒26
and if y = 26 then x=30