Select the correct answerIf x:y=3:4 then (7x+3y): (7x-3y) is equal to:Options5 : 211 : 337 : 194 : 3

Question

Select the correct answerIf x:y=3:4 then (7x+3y): (7x-3y) is equal to:Options5 : 211 : 337 : 194 : 3
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Solution 1

The given ratio is x:y = 3:4.

We need to find the ratio (7x+3y) : (7x-3y).

Substitute x = 3k and y = 4k (where k is a constant) in the above expression.

So, (7x+3y) : (7x-3y) becomes (73k + 34k) : (73k - 34k) = (21k + 12k) : (21k - 12k) = 33k : 9k = 33:9 = 11:3.

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Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv

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