Question

if x:y=5:3, then 3x+4y:3x-4y=?​

Answer 1

x:y=5:3

let x=5 and y=3

solution:

=3×5+4×3:3×5-4×3

=15+12:15-12

=27:3

=9:1

Answer 2

Answer:

x:y=5:3

Given

x=5

y=3

3(5)+4(3): 3(5)-4(3)

15+13 : 15-12

27 : 3