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Question
Two numbers are in the ratio 5:3. If they differ by 18, what are the numbers?
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Solution
Let the common ratio between these numbers be x. Therefore, the numbers will be 5x and 3x respectively.
Difference between these numbers = 18
5x − 3x = 18
2x = 18
Dividing both sides by 2
`(2x)/2 = 18/2`
x = 9
First number = 5x = 5 × 9 = 45
Second number = 3x = 3 × 9 = 27
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