Question

Express 0. 47 bar in p by q

Answer 1

let x = 0.47bar or
x = 0.4777..... ----------- eq. 1
0n multiplying both sides by 10 we find,
10x = 4.7777..... ------------- eq. 2
on subtracting eq.1 from eq.2
10x-x = 4.7777... - 0.4777...
9x = 4.3
x= 4.3/9
x= 43/90