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Mathematics
Summer620
Feb 2, 2018, 4:19:50 PM
14

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

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(2) Answers
anyacanary
Feb 2, 2018, 9:46:00 PM

[latex]if\ 50\%\ of\ 162\ is\ 81\ so\ 49\%\ of\ 162\ is\ about\ 79-80[/latex]

MarieSuren
Feb 3, 2018, 12:00:21 AM

[latex]49\%\approx50\%\\50\%=\frac{1}{2}\\\frac{1}{2}\cdot162=81\\49\%<50\%\\The\ answer\ is:\ Serched\ number\ is\ about\ 80.[/latex]

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