Question

express 1.383838...in the form p by q

Answer 1

let x = 1.38 bar in 38 -------(1)
multiply both sides by 100
100x = 100* 1.38
100x = 138 -------(2)
subtracting equation 1 from equation 2
100x - x = 138 - 1.38
99x = 137
x =137/99