Question

express 0.6+0.7 bar+0.4 7 bar​

Answer 1

Answer:

Step-by-step explanation:

let x=0.47777777........ so 10x=4.77777.....

10x-x=4.3

x=43/90

let y =0.777777 ............  so 10y=7.77777.......

10y-y=7

y=7/9

required sum = (6/10)+(43/90)+(7/9)

=167/90