Question

If x:y=3:4 find (3x+4y):(5x+6y)

You span ur account gets reported and u lose pointd

Answer 1

Answer:

25/39

Step-by-step explanation:

given :

x : y = 3:4

x/y = 3/4

to find :

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

solution: divide ratio by y

(3x+4y)÷y:(5x+6y)÷y

{3(x/y)+4} : {5(x/y)+6}

put value of x/y

{3(3/4)+4} : {5(3/4)+6}

(9/4 +4) : (15/4 +6)

25/4 : 39/4

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