Answer:

20%

Step-by-step explanation:

Let y’s income = Rs 100

x’s income = 100 + 25% of 100 = Rs 125

y’s income is less than that of x by = (125 – 100)/125 x 100 = 100/5 = 20%

Answer:

20%

Step-by-step explanation:

I hope this answer would be helpful to you