Question

If P is a fraction approximated thy 0.18 with relative error of 0.04 find P

Answer 1

$Rel(P)=\frac{P-x}{P}$

$0.04=\frac{P-0.18}{P}$

$0.04P=P-0.18$

$P=\frac{0.18}{1-0.04}=\frac{3}{16}=0.1875$