Question

if a:b=5:3, find : 5a-3b/5a+3b​

Answer 1

Answer:

16/34

Step-by-step explanation:

if a=5, b=3 then

5a-3b/5a+3b

(5×5)-(3×3)/(5×5)+(3×3)

25-9/25+9

16/34

Answer 2

Answer:

8:17

Step-by-step explanation:

let X combind to ratios be 5x,3x. 5a-3b/5a+3b=5×5x-3×3x= 25x-9x=16x/5×5x+3×3x=25x+9x=34x.16x/34x=8/17=8:17