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camdenw:
Mr. Duc asked Perry to set up 450 chairs in a large hall. Perry puts 20 chairs in each row. He has already set up 15 rows of chairs. How many more chairs must he set up?
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mikimoff18:
Multiply 20 by fifteen and then subtract your answer from 450
CoolRekterizer:
What do you think is the answer? You might need to do some multiplication and subtraction to get your answer.
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