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uranmaximum [27]
2 years ago
12

Eight people go to a movie. Adult tickets cost $15 and children's tickets cost $8

Mathematics
1 answer:
Reptile [31]2 years ago
5 0

Answer: number of adults = 3, number of children = 5

Step-by-step explanation:

let the number of adults be x, and the number of children be y.

x + y = 8 , 15x + 8y = 85

1st equation x 8 = 8x + 8y = 64

8x+8y-15x-8y = 64 - 85\\-7x = -21\\x=3

substitute x=3

3+y=8\\y=5

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