using systems of equations

Mathematics
Tutor: None Selected Time limit: 1 Day

you pay $22 to rent 6 video games the store charges $4 for new games and $2 for older games how many new games did you get 

Oct 1st, 2015

Thank you for the opportunity to help you with your question!

let old games be O and New Games be N..........

Form two equations......

4N+2O=22

N+O=6

Apply Substitution.......N=6-O

4(6-O) +2O=22      ....=24-4O+2O=22....=24-2O=22

-2O=-2

O=1 WHILE N=5......HENCE 5new Games

Answer=5 New Games

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Oct 1st, 2015

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