Question 197771: 2. Translate the following into a system of equations, then solve it:
A customer walks into an electronics store and buys four MP3 players and six sets of headphones, paying $740. A second customer buys five MP3 players and four sets of headphones, and pays $785. How much does an MP3 player cost? How much does a set of headphones cost?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A customer walks into an electronics store and buys four MP3 players and six sets of headphones, paying $740. A second customer buys five MP3 players and four sets of headphones, and pays $785. How much does an MP3 player cost? How much does a set of headphones cost?
-------------
Equations:
4M + 6H = 740
5M + 4H = 785
------------------
Use any method you know to solve this
system of equations to get:
M = $125 (price of an MP3)
H = $40 (price of headphones)
----------------
Cheers,
Stan H.
|
|
|
