Question

x:y=5:3, then 3x+4y=?​

Answer 1

The percentage of 3x in (3x + 4y) = 55.55 %

Step-by-step explanation:

We have,

x : y = 5 : 3

To find, the percentage of 3x in (3x + 4y).

∴ x : y = 5 : 3

⇒  

Here, x = 5 and y = 3

∴ The percentage of 3x in (3x + 4y)

=  

Put  x = 5 and y = 3, we get

=  

=  

=  

=  

= 55.55 %

Thus, the percentage of 3x in (3x + 4y) = 55.55 %

Answer 2

Answer:

x:y=5:3

,then 3x+4y=

(3×5)+(4×3)=

15+12=27