Question

the sum of the ages of 5 children is 20 years . after how many years will thebsum of their ages be 40 years

Answer 1

Hey there,

If the sum of their ages=20
then x years later 5x is added to 20 since it has 5 children
20+5x=40
20=5x
x=4 years

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Answer 2

after 4 years their ages Will be 40years