Put brackets in the following statement to make it true. 4+3x7-1=42
2 answers:
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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
substitute x=3
Step-by-step explanation:
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