Sierra had 136 trading cards. She gave away 15 to each of her 3 friends. Which expression shows how many cards Sierra has left?
2 answers:
It would be A :)
The expression 136 - (15 x 3) shows she started off with 136 cards but gave away 15 cards each to 3 of her friends
A
Because 136 trading cards
15 goes to each 3 friends
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