Shyshy3102 Shyshy3102

30-03-2015
Mathematics

Answered

What number is 25% of 180

Answer :

30-03-2015

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

'is' indicates an equal sign.

25% = 0.25

'of' indicates multiplication.

x = 0.25 * 180

x = 45

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Аноним Аноним

31-03-2015

[tex]p\%=\frac{p}{100}\\\\25\%=\frac{25}{100}=\frac{25:25}{100:25}=\frac{1}{4}\\\\25\%\ of\ 180=\frac{1}{4}\ of\ 180=\frac{1}{4}\cdot180=\frac{180}{4}=\boxed{45}[/tex]

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