Question

What number must be added to each term of the ratio 9 : 16 to make the ratio 1 : 3?​

Answer 1

Answer:

let the number be = x

according to given , 9 + x : 16 + x = 1:3

3(9+x) = 1(16+x)

27 + 3x = 16 + x

27 - 16 = x - 3x

11 = (-2x)

x = 11÷2

x = 5.5