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Goshia [24]
3 years ago
14

Help Please

Mathematics
1 answer:
deff fn [24]3 years ago
7 0
If adults=a and children=c
\left \{ {{c+a=330} \atop {3c+a=650}} \right.
-c-a=-330
________________
2c=320, c=160, a=170
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