13-09-2014
Mathematics

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Mike sold half of his comic books and then bought 9 more. He now has 12. How many did he begin with?

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TaylorBayley TaylorBayley

13-09-2014

You can make this an equation:

(x/2)+9=12 -- subtract 9 from both sides
x/2=3 -- multiply by 2
x=6

He started with 6 comic books.

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Аноним Аноним

13-09-2014

He began with 6 comic books

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