SOLUTION: half of your baseball card got wet and ruined. you bought 19 cards to replace some that were lost. how many did you begin with if you now have 45?

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Question 1072098: half of your baseball card got wet and ruined. you bought 19 cards to replace some that were lost. how many did you begin with if you now have 45?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
n, how many at start

n%2F2%2B19=45