describe a problem that could be solved using the following system 3A+4B=84 2A+5B=91

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christopheralupcaek5 christopheralupcaek5

22-07-2018
Mathematics

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describe a problem that could be solved using the following system 3A+4B=84 2A+5B=91

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Gloria has a lunch account in the school cafeteria. The balance, f(x), in her account can be represented by the function f(x) = –1.50x + 40, where x is the numb

mathstudent55 mathstudent55 · Answer 1 · 2018-07-22T18:06:32-04:00

mathstudent55 mathstudent55

22-07-2018

A local fair sold in one hour 3 adult tickets and 4 children tickets and collected 84 dollars. In another hour, it sold 2 adult tickets and 5 children tickets and collected 91 dollars. What is the price of each ticket.

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