Question
Download Solution PDFFind the number that must be subtracted from the terms of the ratio 15: 19 to make it equal to 3 : 4.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Ratio 1: 15
Ratio 2: 19
New Ratio 1: 3
New Ratio 2: 4
Formula used:
Let x be the number to be subtracted.
(15 - x) / (19 - x) = 3 / 4
Calculation:
⇒ (15 - x) / (19 - x) = 3 / 4
⇒ 4 × (15 - x) = 3 × (19 - x)
⇒ 60 - 4x = 57 - 3x
⇒ 60 - 57 = 4x - 3x
⇒ 3 = x
∴ The correct answer is option 4.
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