Question

If a b=2:5, the value of (3a+4b):(4a+5b)is​

Answer 1

Answer:

The required ratio is 26:33.

Step-by-step explanation:

HOPE IT HELPS....

Answer 2

Answer:

26:33

Step-by-step explanation:

GIVEN : a:b = 2:5

TO FIND : 3a+4b

SOLUTION : a/b=2/5

a=2b/5

Now,subsitituting this value in,

3a+4b : 4a+4b

{3(2b/5)+4b} : {4(2b/5)+5b}

(6a/5+4b) : (8b/5+5b)

(26b/5) : (33b/5)

26b/5/33b/5 = 26/33

= (3a+4b) : (4a+5b) = 26:33