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If x:y=3:7, then find (7x+3y):(9x-3y)...

If x:y=3:7, then find (7x+3y):(9x-3y)

A

`7:1`

B

`1:7`

C

`7:3`

D

`3:7`

Text Solution

Verified by Experts

The correct Answer is:
A
(i) Divide numerator and denominator by y and then substitute the value of x/y.
(ii) `x=(3y)/(7)`
(iii) Substitute the value of x in the requried ratio.
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PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-LEVEL 1
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