Question

sum of two numbers is constant. when one increases by 25% other decreases by 20%. find the ratio between the two numbers.​

Answer 1

Answer:

Let the two numbers be X and Y

X+Y=1

When X is increased by 25% and Y is decreased by 20%

25%of X +20%of Y = 1

1/4of X + 1/5 of Y= 1

4:5