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What Quantity Must Be Added to Each Term of the Ratio 19 : 51 to Make It Equal to 3 : 7 ? - ICSE Class 10 - Mathematics

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Question

What quantity must be added to each term of the ratio 19 : 51 to make it equal to 3 : 7 ? 

Solution

Let x be added from each term such that 

`(19 + "x")/(51 + "x") = 3/7`

⇒ 133+ 7X =  153+3X 

⇒ 4x = 20

⇒ x = 5

5 should be added to each term.

  Is there an error in this question or solution?

APPEARS IN

 Frank Solution for Frank Class 10 Mathematics Part 2 (2016 to Current)
Chapter 9: Ratio and Proportion
Exercise 9.1 | Q: 19

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Solution What Quantity Must Be Added to Each Term of the Ratio 19 : 51 to Make It Equal to 3 : 7 ? Concept: Ratio and Proportion Example.
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