SOLUTION: Ratios if a: b =3 : 4, the value of (2a + 3 b) : (3a+4b)is

Question 860918: Ratios

if a: b =3 : 4, the value of (2a + 3 b) : (3a+4b)is
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
a: b =3 : 4, the value of (2a + 3 b) : (3a+4b)is

Let

a=3k
b=4k
(2a + 3 b) : (3a+4b)

(2*3k + 3 *4k) / (3*3k+4*4k)
(6k+12k)/(9k+16k)
(18k)/(25k)
=18/25

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