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

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

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User Klumsy
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if\ 50\%\ of\ 162\ is\ 81\ so\ 49\%\ of\ 162\ is\ about\ 79-80
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User Systemkern
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49\%\approx50\%\\50\%=(1)/(2)\\(1)/(2)\cdot162=81\\49\%<50\%\\The\ answer\ is:\ Serched\ number\ is\ about\ 80.
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User Cocacrave
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