The sum of the ages of three persons is 100years. What will be the sum of their ages after 5 years
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Step-by-step explanation:
Let the age of a person be x
Three persons age = 10
3x =100
After 5 years
Age of a person =x+5
Age of 3 persons after 5 years = 3x+5+5+5
Substitute 3x=100
100+15
115years
sum of their ages after 5 years is 115years
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