Question

Divide 20 stickers between hema and Rekha in a ratio 3:7. How many stickers will Rekha and Hema get.

Answer 1

$Number \: of \: stickers = 20$

$Ratio \: of \: stickers \: divided \: between \\Hema \: and \: Rekha = 3 : 7$

$Let \: number \: stickers \: Hema \: get = 3x$

$number \: stickers \: Rekha \: get = 7x$

$3x + 7x = 20 \: (given)$

$\implies 10x = 20$

$\implies x = \frac{20}{10}$

$\implies x = 2$

Therefore.,

$\red{number \: stickers \: Hema \: get }\\= 3x\\= 3 \times 2 = \green {6}$

$\red{number \: stickers \: Rekha \: get }\\= 7x\\= 7\times 2 \\= \green{14}$

Answer 2

Rekha and Hema get 14 and 6 stickers respectively.

Step-by-step explanation:

In this case, we need to divide 20 stickers between Hema and Rekha in a ratio 3:7. According to given condition,

Hema has 3x and Rekha has 7x stickers. So,

$3x+7x=20\\\\10x=20\\\\x=2$

Hema's stickers will be : $3(2)=6$

Rekha's strickers will be : $7(2)=14$

Hence, Rekha and Hema get 14 and 6 stickers respectively.

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Ratio and proportion

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