ocanadyoynsr6
09.01.2020 •
Mathematics
Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.
14a+8s=376
7a+11s=272
she found that the price of one student ticket is $20 and the price of one adult ticket is $12. which statement explains krissa’s error?
a she switched the prices of the tickets.
b the solution works in both equations.
c the solution only gives the correct price for one student ticket.
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