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Sum of ages back in time: Adjust a current total to a past total. Present total age of Amar, Akbar, and Anthony = 80 years. Find the total of their ages three years ago. Choose the correct value.

Q: Sum of ages back in time: Adjust a current total to a past total. Present total age of Amar, Akbar, and Anthony = 80 years. Find the total of their ages three years ago. Choose the correct value.

Concept Going back 3 years reduces each person's age by 3; with three people, the total reduces by 3 × 3 = 9. Calculation Past total = 80 − 9 = 71 years.

Difficulty: Easy

71 years
72 years
74 years
77 years

Correct Answer: 71 years

Explanation:

Concept
Going back 3 years reduces each person's age by 3; with three people, the total reduces by 3 × 3 = 9.

Calculation
Past total = 80 − 9 = 71 years.

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