Question

if a:b= 5:6 and b:c=8:5,then find the value of (a+b+c)/(2a-b-c).

Answer 1

a/b = 5/6;6a=5b; b/c=8/5;5b=8c

Answer 2

Answer:

a:b=5:6 means let be 5x,6x and b:c =8:5 it means let be 8x,5x .(5x+6x+5x) / (2*5x-8x-5x) =16x/ 2x =8x