SOLUTION: A friend of mine is downloading songs. She downloads regular definition songs at 2.9 megabytes and high definition songs at 4.1 megabytes. If she downloaded 1,445 total songs a

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Question 902604: A friend of mine is downloading songs. She downloads regular definition songs at 2.9 megabytes and high definition songs at 4.1 megabytes. If she downloaded 1,445 total songs at a total of 5,145 megabytes, how many high definition songs did she download?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x is number of high definition songs
4.1x + 2.9(1445-x) = 5145
x = %285145-2.9%2A1445%29%2F1.2%29 number of high definition songs downloaded