Question
The ratio of two numbers is 4:9. If each number is
decreased by 4, the ratio becomes 3:7. Find the smaller numbers.Solution
Let the two numbers be 4x and 9x. => (4x-4)/(9x-4) = 3/7 => 28x – 28 = 27x – 12 => x = 16 The smaller numbers = 4 × 16 = 64
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