The sum of the ages of 5 children is 20 years. After how many years will the sum of their ages be 40 years? ? ?A)4 B)5 C)10 D)20 Please answer fast!! With reason! Share with your friends Share 0 Neha Sethi answered this Dear student The sum of their ages is 20, making their average age 205= 4 years When the sum of their ages is 40, their average will be 405 =8 yearswhich is 4 years from now.So, After 4 years the sum of their ages will be 40 yearsNote: Average=Sum of numbersTotal no. of numbers Regards 1 View Full Answer Hemanth answered this 4 years 0