One month Boris rented 2 movies and 5 video games for a total of $33. The next month he rented 8 movies and 3 video games for a total of $30. Find the rental cost of each movie and you each video game.
1 answer:
M=cost per movie v=cost per video game 2m+5v=33 8m+3v=30 use elimination eliminate movies mutliply first equation by -4 and add to 2nd first equation becomes -8m-20v=-132 add the 2 equations -8m-20v=-132 <u>8m+3v=30 +</u> 0m-17v=-102 -17v=-102 divide both sides by -17 v=6 subsiutute back 2m+5v=33 2m+5(6)=33 2m+30=33 minus 30 both sides 2m=3 divide 2 m=1.5 rental cost per movie is $1.50 rental cost per video game is $6
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