If 40% of a number is 56, what was the original number

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25-09-2015
Mathematics

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If 40% of a number is 56, what was the original number

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WorldCitizen WorldCitizen · Answer 1 · 2015-09-25T01:30:29+02:00

WorldCitizen WorldCitizen

25-09-2015

the equation is like this:

40%x=56

40% is equal to 0.4, or 4/10, which is 2/5 so we have:

2/5*x=56.
We multiply both sides by 5:

2*x=280
We divide both sides by 2:

x=140, this is also the result.

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