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Cerrena [4.2K]
3 years ago
10

Word problem please help​

Mathematics
1 answer:
AnnZ [28]3 years ago
8 0

Answer:

A

Step-by-step explanation:

s = cost of senior ticket

c = cost of child ticket

System of Equations:

8s + 7c = 211

4s + 6c = 138

I used the elimination method and multiplied the second equation by -2

-8s - 12c = -276

add the above to the first equation and get

-5c = -65

c = 13

now find s

8s + 7(13) = 211

8s + 91 = 211

8s = 120

s = 15

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