Question
A’s age is 160% of what he was 4 years ago, But 80% of
what it will be after 4 years. What is his present age?Solution
Let present age of A be x years. => 160% of (x - 4) = 80% of (x + 4) => 2(x - 4) = (x + 4) => 2x – 8 = x + 4 => x = 12 years
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