A 5000seat theater has tickets for sale at 25 and 40 How man

A 5000-seat theater has tickets for sale at $25 and $40. How many tickets should be sold at each price for a sellout performance to generate a total revenue of $147, 500? The number of tickets for sale at $25 should be The number of tickets for sale at $40 should be

LEt, x 25$ and y 40$ tickets be sold

So, x+y=5000