Answer:
128 kids
125 adults
Step-by-step explanation:
X = number of kids
Y = number of adults
1.5X + 4Y = 692
X + Y = 253
4X + 4Y = 1012
(4X + 4Y = 1012) - (1.5X + 4Y = 692)
(4X - 1.5X) + (4Y - 4Y) = 1012 - 692
2.5X = 320
X = 320/1.5
X = 128 kids
253 - 128 = 125 adults
