Question
The ratio of two numbers is 4 : 3. If both numbers are
increased by 4, then the ratio becomes 5 : 4. What is the sum of two numbers?Solution
Solution: Let the two numbers be 4x and 3x (4x + 4)/(3x + 4) = 5/4 16x + 16 = 15x + 20 ⇒ x = 4 Sum of numbers = 4x + 3x = 7x = 28
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