Andrew M. answered 03/04/18
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
a + s = 394 total tickets sold is 394
s = a - 56 56 fewer student tickets than adult
substitute a-56 in place of s in 1st equation and solve for a
a + (a - 56) = 394
2a - 56 = 394
2a = 450
a = 225 adult tickets sold
s = a-56 = 169 student tickets sold