Explain how 9*4 can help you find 9*8.

asked Apr 19, 2015 88.0k views

5 votes

by Ivy

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If you know that 9*4 is 36, then you multiply by two to get 9*8 which is 72, because 36 2=72

Gnawme answered Apr 21, 2015

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5 votes

9x4 can help you find 9x8 because after you find your answer all you have to do is add 9 four more times to get the sum of 9x8.

TimSC answered Apr 24, 2015

by TimSC

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