Question

the sum of age of a father, his son and daughter is 90 years. what was the sum of their ages 10 years ago?​

Answer 1

60

Step-by-step explanation:

because 90-(10+10+10)=60

Answer 2

Answer : 120

Step by step explanation :

90/3 = 30

father = 30 + 10

son = 30 + 10

daughter = 30 + 10

40 + 40 + 40 = 120