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30-03-2015
Mathematics

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Use a percent equation to solve the problem. 36 is 40% of what number?

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secret13 secret13

30-03-2015

36 ÷ 40
36 ÷ 0.4
90

36 is 40% of 90

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30-03-2015

36 is 40% of what number?

'is' indicates an equal sign

40% = 0.40

'of' indicates multiplication

'what number' indicates an unknown value we can represent with 'x'

36 = 0.40 * x

36 = 0.40x

Divide 0.40 to both sides:

x = 90

Answer Link

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