45 points, brainliest for correct answer!
2 answers:
a+c = 29
10a + 6c = 222
etc
Answer:
a) a + c = 29 (1)
10a + 6c = 222 (2)
b) a = 12, c = 17
c) 12 adults and 17 children visited the zoo
Step-by-step explanation:
a)
a + c = 29 (1)
10a + 6c = 222 (2)
b) from (1) a = 29 - c
Plug in (2) 10(29 - c) + 6c = 222
290 - 10c + 6c = 222
-4c = 222 - 290
-4c = -68
c = (-68)/(-4)
c = 17
a = 29 - c
a = 29 - 17
a = 12
c) 12 adults and 17 children visited the zoo
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