1.

If x:y=3:4, find (3x+4y):(5x+6y)​

Answer»

If x:y = 3:4 ( as given in the QUESTION)

We have to FIND ( 3X + 4y)/(5x+6y)

Take x as 3 and y as 4 and PUT in

( 3x + 4y)/(5x+6y)

[(3×3)+(4×4)] / [(3×5) +(6×4)]

= (9+16)/ (15+24)

= 25/39

Hence

(3x+ 4y)/(5x+6y) = 25/39

Thanks



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