Question

If a:b:c = 1:2:3, then find the value of
2a+3b-4c/
3b

Answer 1

Step-by-step explanation:

a : b : c=1:2:3

let the common ratio is x

then a=x

b=2x

c=3x

so,

(2a+3b-4c)/3b

=(2x+3*2x-4*3x)/3*2x

=(2x+6x-12x)/6x

= (8x-12x)/6x

= -4x/6x

= -2/3