The total of the ages of Amar, Akbar and Anthony is 80 years. What was the total of their ages three years ago ?
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total age 3 years ago=80
before three years all of their ages decreased by 3
80-3×3=80-9=71
Answered by
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Let their ages be p , q and r
- p + q + r = 80
Their ages 3 years ago were
- p + q + r - 9
We know that
- p + q + r = 80
Thus their ages 3 years were
- 80 - 9
- 71 years ✔️
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