The average salary of managers is x and the average salary of workers is y. The number of the managers is 15 times of the number of workers. What is average salary of managers and workers together?
1
\(\frac{{\left( {15x\; + \;y} \right)}}{{16}}\)
2
\(\frac{{\left( {15x\; + \;y} \right)}}{{\left( {x\; + \;y} \right)}}\)
3
\(\frac{{\left( {x\; + \;15y} \right)}}{{\left( {x\; + \;y} \right)}}\)
4
\(\frac{{\left( {x\; + \;15y} \right)}}{{16}}\)