kmoonwater88 kmoonwater88

01-02-2017
Mathematics

contestada

Half your baseball card collection got wet and was ruined. You bought 13 cards to replace some that were lost. How many did you begin with if you now have 23?

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Bearlover04 Bearlover04

01-02-2017

10 because if you subtract 13 and 23 you get 10 then if you add 13 and 10 you get 23

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