Q1561 Let $a,b,c$ be positive numbers for which
$\frac{a+b}c = 2018$ and $\frac{b+c}a = 2019$.
Evaluate $\frac{a+c}b$.
Q1561 Let $a,b,c$ be positive numbers for which
$\frac{a+b}c = 2018$ and $\frac{b+c}a = 2019$.
Evaluate $\frac{a+c}b$.