# 36% of the student in a school are girls if the number of boys are 1440, find the total strength of the class

$Letthetotalstrengthoftheclassbex.Then,\mathrm{sin}ce36\%ofthestudentsaregirls,wehaveno.ofgirls=\frac{36x}{100}.\phantom{\rule{0ex}{0ex}}Wearealsogiventhatno.ofboys=1,440.\phantom{\rule{0ex}{0ex}}\therefore \frac{36x}{100}+1,440=x\phantom{\rule{0ex}{0ex}}\Rightarrow \frac{64x}{100}=1,440\Rightarrow x=\frac{1,440\times 100}{64}=2,250\phantom{\rule{0ex}{0ex}}Therefore,thereare2,250studentsintheclass.$

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