Question

rajan's father is 28 years older than rajan and rajan's sister is7 years younger yhan rajan .the sum of all the three is 57 years . find the age of each of them

Answer 1

Answer:

Make Rajan's age = x

Rajan's father's age = x + 28

Rajan's sister = x - 7

Step-by-step explanation:

x + (x + 28) +(x - 7) = 57

x + x + 28 + x - 7 = 57

Collect terms

 

3x + 21 = 57

3x = 57 - 21

3x = 36

x = 12

Rajan is 12 yrs old

Rajan's father is 40 yrs old

Rajan's sister is 5 yrs old.