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agasfer [191]
3 years ago
12

A total of

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
3 0
Let x equal the number of adult tickets sold. 

X + 3X=512
(I put 3x because we know the students sold 3 times as many). 
Solve for X. 

X+3X=512
4X=512
4X/4=512/4
X=128
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