Question

If a:b = 4:5 , find 5a + b/ 5a - b

Please give me answer fast

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Answer 1

Answer:

let a:b be 4x:5x

5×4x+5x/5×4x-5x

20x+5x/20x-5x

25x/15x=5/3

answer is 5/3

HOPE THIS HELPS!

Answer 2

Answer:

20+5/20-5

Step-by-step explanation:

they are variables a=4

b=5

so 5a= 5*4

20