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OpenStudy (anonymous):
Ben has 15 more music CD's than sam. Together they have a total of 55 CD's. How many CD's does Sam have?
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OpenStudy (anonymous):
let Sam has x CDs Ben then has x+15 CDs as the total is 55 so x+x+15=55 2x+15=55 2x+15-15=55-15 2x=40 x=20 therefore, sam has 20 CDs
OpenStudy (anonymous):
Thanks:)
OpenStudy (anonymous):
you are welcome :D
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