Question

What should be added to each term of the ratio 3:8 so that it may become equal to 2:3
(A) 17
(B) 12
(C) 7
(D) 22​

Answer 1

Answer:

3+x/8+x= 2/3

3(3+x)= 2(8+x)

9+3x= 16+2x

9+3x-2x= 16

9+x= 16

x= 16-9

x= 7

7 is the answer.

Answer 2

Answer:

(c). 7

Step-by-step explanation:

Let number be x then,

Ratio = (3+x) : (8+x) = 2:3

=(3+x) / (8+x) = 2/3

=9+3x = 16 + 2x

3x - 2x = 16 - 9

x = 7