Question

There are 72 children in a class of 2 sections. IF 75% of them are boys how many are girls?

Answer 1

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$</p><p>total \: number \: of \: students = \: 72 \: \: \: percentage \: of \: boys \: = \: 75%$

$72 \div 100 \times 75 = 54$

$there \: are \: 54 \: boys \\ </p><p>Then \: the \: total \: number \: of \: girls \: =$

$72 = 54 + x \\ x \: = 72 - 54 \\ x = 18$

$there \: are \: 18 \: girls \: and \: 54 \: boys$

Answer 2

Answer:

Total children= 72

Boys=75%

Then,

Boys=75/100×72

=54

So,

Girls=Total children - Boys

= 72-54

=18

Therefore, there are 18 girls . (ANS)

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THANK YOU.