Purpleislife1234 Purpleislife1234

29-06-2016
Mathematics

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John has 15 more baseball cards than Michael. Together they have a total of 55 cards. How many cards does Michael have?
Let M = the number of baseball cards Michael has.

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unidonuthorse unidonuthorse

30-06-2016

m+(m+15)=55
2m+15=55 (subtract 15)
2m=40 (divide by 2)
m=20
Michael has 20 cards

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