SOLUTION: I need help solving this equation. I am not good with word problems but if you show me how to come up with a system then I could solve it. A customer walks into an electronics sto

Algebra ->  Linear-equations -> SOLUTION: I need help solving this equation. I am not good with word problems but if you show me how to come up with a system then I could solve it. A customer walks into an electronics sto      Log On


   

Question 454808: I need help solving this equation. I am not good with word problems but if you show me how to come up with a system then I could solve it.
A customer walks into an electronics store and buys five MP3 players and eight sets of headphones, paying $840. A second customer buys three MP3 players and four sets of headphones, and pays $480. How much does an MP3 player cost? How much does a set of headphones cost?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"five MP3 players and eight sets of headphones, paying $840" ___ 5m + 8h = 840

"three MP3 players and four sets of headphones, and pays $480" ___ 3m + 4h = 480



BIG HINT: multiply 2nd equation by 2 and subtract 1st equation