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Posted by **frederick** on Thursday, October 13, 2011 at 8:43am.

- math -
**Reiny**, Thursday, October 13, 2011 at 9:06amnumber of people who paid reduced rate ---x

number of adult rates --- 500-x

Total amount paid = 7.5x + 10(500-x)

= 7.5x + 5000 - 10x

= 5000 - 2.5x

Was there more information? That is as far as you can go with what you have.

- math -
**drwls**, Thursday, October 13, 2011 at 9:09amIs "rete" supposed to be the "rate" (cost) of a cinema ticket?

You have omitted necessary information on the total number of people attending.

The total ticket revenue cannot be computed without knowing the number of adult tickets sold.

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