Anonymous Anonymous

16-12-2013
Mathematics

Answered

Estimate 49% of 162. Use mental math to calculate 49% of 162. ???

Verified Answer :

tomek1172 tomek1172

16-12-2013

\(if\ 50\%\ of\ 162\ is\ 81\ so\ 49\%\ of\ 162\ is\ about\ 79-80\)

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januzo4819864 januzo4819864

16-12-2013

\(49\%\approx50\%\\50\%=\frac{1}{2}\\\frac{1}{2}\cdot162=81\\49\%<50\%\\The\ answer\ is:\ Serched\ number\ is\ about\ 80.\)

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