The sum of the ages of three persons is 100 what will be the sum of their ages after 5years
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SOLUTION:
Sum of ages of 3 persons=100
As we have to add 5years to each person's age
100+(5×no. of people)
100+(5×3)
100+15
115 ans...
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Step-by-step explanation:
the first person age is x
the second person age is y
the thrid person age is z
x+y+z=100
5x+5y+5z=100
5(x+y+z)=100
x+y+z=100/5
x+y+z=20
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