Question

Sam bought 6 baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now 27 cards left. How many cards did Sam start with?

Answer 1

He started with 42 cards.

27-6= 21

21×2= 42.

Hope this helps! :)

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Answer 2

27 times 2 equals 54.
54 minus 6 equals 48.

Resolve: 48 plus 6 equals 54.
54 divided by 2 equals 27.