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concert venue sells adult tickets for $15 and student tickets for $10 . Monday, a total of 85 tickets were sold, and the total money collected was $1,115 . How many adult tickets and how many student tickets were sold?

Respuesta :

carliecryer
x=adult tickets and y=student tickets

x+y=85
15x+10y=1115

so now do a system of equations

(15x+15y=1275)-(15x+10y=1115)= 5y=160 so y=32 tickets

x+32=85 so x=53 tickets

53 adult tickets and 32 student tickets

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