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At the city museum, child admission is S5.80 and adult admission is $9.20. On Monday, twice as many adult tickets as child tickets were sold, for a total sales of $895.40. How many child tickets were sold
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At the city museum, child admission is S5.80 and adult admission is $9.20. On Monday, twice as many adult tickets as child tickets

were sold, for a total sales of $895.40. How many child tickets were sold that day?

User Maarten Wolfsen
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You can call c the number of children and a for adults; you get:5.20c+8.50a=1097.60anda=4c meaning that the number of adults was four times the children.Substituting this value of a into the first equation we get:5.2c+8.5(4c)=1097.65.2c+34c=1097.6rearranging:c=1097.639.2=28and so:a=4c=4⋅28=112

I got: 28 children and 112 adults.

User Plasmarob
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