Question

what should be added to the ratio 5:11, so that the ratio becomes 3:4 ?

Answer 1

Answer:

13

Step-by-step explanation:

let the required number by x

then

A/Q

5+x/11+x = 3/4

then x = 13

Answer 2

Answer:

common factor=x

5x+11x+?=3x+4x

16x+?=7x

16x-7x=?

9x=?

x=-9