Question

what must be added to each term
of the ratio 7:13 so that the ratio
becomes 2:3 ?​

Answer 1

Answer:

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Step-by-step explanation:

solution :

given ratio = 7:13

Let x should be added to each term so it become 2:3

(7+x ): ( 13 + x ) = 2:3

- 3(7+x) = 2( 13 + x)

= 21 + 3x = 26 + 2x

- 3x - 2x = 26 - 21

» x= 5

.: We should add 5 to each term of the ratio to 7:13 so it becomes 2:3

Answer 2

let, x must be added.

Now, (7+x)/(13+x) = 2/3

or, 3(7+x) = 2(13+x)

or, 21+3x = 26+2x

or, 3x-2x = 26-21

or, x = 5.

so, 5 must be added.