Question

Activity 10 (A) (2 marks) Date :
Seema is younger than Sheela by 7 years. The sum
of their ages is 53 years. Complete the following
activity to find the age of Sheela.
Let the age of Seema be x years and that of Sheela
by y years.
From the first condition,
... (1)
From the second condition,
. (2)
Adding equations (1) and (2),
2y =
... the age of Sheela is
years.​

Answer 1

let seemas age be x

sheelas age =x+7

According to the conditions

x+x+7=53

2x+7= 53

2x= 46

x= 46/2

x= 23.

therefore,

seemas age=x=23

and sheelas age= x+7= 30

hope it will helps you