To a music consert there were an Income of 85500$(adsbygoogle = window.adsbygoogle || []).push({});

There were 2 types of tickets sold, one that cost 90$ and one that cost 120$. Totaly there were 800 tickets sold, how many of each ticket was sold.

Here I Shall use the ordinary math equation M = pxX + pyY and solve the equation, and I have no idea how to solve it!?

Please Help me

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# Homework Help: National Economics Math Question

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