Question

Devinder divides his collection of 720 stamps among his friend ravi ,puja, and swati,in the ratio 5: 4: 7.How many stamps did each recieve?

Answer 1

Ravi is with 5x
Puja with 4x
and
swati with 7x

Add all =5x + 4x + 7x = 720
16x=720
x=45
Ravi=245
Puja=180
swati = 315

Answer 2

The stamps among his friend ravi ,puja, and swati are 225, 180 and 315 respectively.

Step-by-step explanation:

It is given that Devinder divides his collection of 720 stamps among his friend ravi ,puja, and swati,in the ratio 5: 4: 7.

Let the stamps among his friend ravi ,puja, and swati are 5x, 4x and 7x respectively.

$5x+4x+7x=720$

$16x=720$

Divide both sides 16.

$x=\frac{720}{16}$

$x=45$

The value of x is 45.

$5x=5(45)=225$

$4x=4(45)=180$

$7x=7(45)=315$

Therefore, the stamps among his friend ravi ,puja, and swati are 225, 180 and 315 respectively.

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