shammy161 shammy161

07-12-2016
Mathematics

contestada

two cassettes and three CDs cost $175 while four cassettes and one cd cost $125. Given that one cassette costs 5x and one cd costs 5y , write two equations in x and y to represent the information.

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bartdrinksmalk bartdrinksmalk

07-12-2016

The first equation is
[tex]2*5x+3*5y=175\rightarrow 10x+15y=175[/tex]
The second equation is
[tex]4*5x+5y=125\rightarrow 20x+5y=125[/tex]

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