dinasanchez05 dinasanchez05

28-09-2016
Mathematics

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Multiplying a number by 4/5 then divided by 2/5 is the same as multiplied by whatnumber

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Аноним Аноним

28-09-2016

x=in any number;
Then we calculate:
x*(4/5) / (2/5)=(20 /10)x=2x

Answer: is the same that multiplying this number by 2.

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