Answer:
Explanation:
a + 11s = 124.......a = 124 - 11s
4a + 10s = 122
4(124 - 11s) + 10s = 122
496 - 44s + 10s = 122
-44s + 10s = 122 - 496
-34s = -374
s = -374 / -34
s = 11 <==== student tickets cost $ 11
a + 11s = 124
a + 11(11) = 124
a + 121 = 124
a = 124 - 121
a = 3 <=== adult tickets cost $ 3