SOLUTION: chip used two sites to download 19 songs for his mp3 player for a total cost of $20.00. much more music songs cost $1.00 each and itunes cost $1.20 each. how many songs did chip do

Algebra ->  Systems-of-equations -> SOLUTION: chip used two sites to download 19 songs for his mp3 player for a total cost of $20.00. much more music songs cost $1.00 each and itunes cost $1.20 each. how many songs did chip do      Log On


   



Question 451204: chip used two sites to download 19 songs for his mp3 player for a total cost of $20.00. much more music songs cost $1.00 each and itunes cost $1.20 each. how many songs did chip download from each company?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
chip used two sites to download 19 songs for his mp3 player for a total cost of $20.00. much more music songs cost $1.00 each and itunes cost $1.20 each. how many songs did chip download from each company?
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Quantity::: mms + it = 19
Value::::::100mms + 120it = 2000
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Multiply thru the 1st equation by 100 to get:
100mms + 100it = 100*19
100mms + 120it = 2000
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Subtract and solve for it:
20it = 100
it = 5 (# of itune songs downloaded)
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Solve for mms:
mms + it = 19
mms + 5 = 19
mms = 14 (# of mm songs downloaded)
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Cheers,
stan H.
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