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bad at math, ill give points. At the city museum, child admission is $5.50 and adult admission is $9.90 . On Saturday, 158 tickets were sold for a total sales of $1265.00 . How many child tickets were
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Nov 6, 2017
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bad at math, ill give points. At the city museum, child admission is $5.50 and adult admission is $9.90 . On Saturday, 158 tickets were sold for a total sales of $1265.00 . How many child tickets were sold that day?
Mathematics
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Barwin
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a + c = 158......a = 158 - c
9.90a + 5.50c = 1265
9.90(158 - c) + 5.50c = 1265
1564.20 - 9.90c + 5.50c = 1265
- 4.40c = 1265 - 1564.20
-4.40c = - 299.20
c = -299.20/-4.40
c = 68 <=== 68 child tickets sold
Evelin Amorim
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Nov 13, 2017
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Evelin Amorim
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