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The above is one way to solve this question. If you don’t like it, here is another way.

Find the money collected from sales of adult tickets and sales of children’s tickets.

Total collected = $1332.50

Amount collected from adult tickets = ($1332.50 + $635.50) ÷ 2 = $984

Amount collected from children’s tickets = $1332.50 – $984 = $348.50

Since there are twice as many adults as children, multiply $348.50 by 2.

348.50 × 2 = 697

984 – 697 = 287

The $287 must be accounted for by the extra cost of an adult ticket ($3.50) over a child ticket.

287 ÷ 3.50 = 82

There are 82 adults and 41 children.

 

 

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Here is a model representation of the last part to find the number of adults and children.

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Hi, Thank you so much. I have posted another on volume at 3.34pm. Do mind helping me to solve the qn? Appreciate your help.

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