Question

Divide 1050 meters in the ratio 7: 5 : 3
can someone please explain how to do these type of questions and also give the solution to this problem
I have an assessment and I'm terribly scared

Answer 1

Answer:

let ratio be 7x ,5x ,3x

1050=7x+5x+3x

1050=15x

X=1050/15

X=70

7:5:3=70*7=490,70*5=350,70*3=210

Answer 2

Answer:

The three parts in the given ratio are 490m, 350m, and 210m.

Step-by-step explanation:

Given the length is 1050m.

The number to be divided in the ratio given is 7: 5 : 3

The number 1050 should be divided in the ratio is 7: 5 : 3.

Let the number be x.

So the numbers in the ratios can be written as 7x, 5x, 3x

Sum of the ratios is $7x+5x+3x=15x$

Given the sum the three ratios is 1050

Therefore,

$15x=1050\implies x= \dfrac{1050}{15} =70$

Therefore, the numbers are

$7x, 5x, 3x$

$\implies 7\times70, 5\times70, 3\times70$

$\implies 490, 350, 210$

So, the three parts in the given ratio are 490m, 350m, and 210m.

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