Question

Example 2: Rashmi is 5 years younger than he
sister. The sum of their ages is 25. What is the
present age of Rashmi's sister?​

Answer 1

Answer:

rash i's sister age=x

Step-by-step explanation:

rashmi 's age=x-5

sum of ages=25

x+x-5=25

2x-5=25

2x=25+5=30

x=30/2 =15