Alvon12 Alvon12

19-10-2016
Mathematics

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what's 7/9 times something equals 640

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noodlekid noodlekid

19-10-2016

We'll use 'x' to represent that 'something.
7/9x=640.
Divide each side by 7/9 to isolate 'x'.
x = 822 6/7.

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