Benny bought 9 new basketball trading cards to add to his collection. The next day his dog ate half of his collection. There are
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Given that each of the brick is 
ft tall and the finished stack of bricks is 
ft tall.
Let the number of bricks in the stack be x, then
Therefore, 7 bricks will go in the stack.
Let the number of bricks in the stack be x, then
Therefore, 7 bricks will go in the stack.