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Fred bought 6 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 29 cards left. How many cards did Fred start with?

Sagot :

half is 29
multiply by 2 =58
minus the 6 new= 52 baseball cards
so fred bought 6

then so he had 2*29 on the 'next day' or 58 
then 58-6 to get how many he started with or he started with 52