Question

brothers weight is 25% more than that his sister weight​

Answer 1

Answer:

let sister weight=x

brother weight

$x + \frac{25x}{100}$

Answer 2

Answer:

20%

Step-by-step explanation:

Completing the question :-

Brothers weight is 25% more than that of sister.What percent is sisters weight less than brother?

Answer:-

Let us assume Sister weight is 8 KG.

Brothers weight is 25% more than that of sister.

So, Brother weight = 8 + 25% of 8  = 8 + 2 = 10 KG

Diff between weight - 2

2 KG is 2/10 x 100 = 20% of Brother's weight.

So, sister is lighter than brother by 20%.