jokereq93051 jokereq93051

20-12-2018
Mathematics

contestada

Perry set450 chairs up perry put 20 chairs in a row he already set up15 rows howmany more chairs he need to set up

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dakotajamesmorris dakotajamesmorris

27-12-2018

450 chairs total
20 chairs per row
15 rows already set up
15×20=300
300 chairs already up
450-300=150
150 chairs left to set up

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