In a field day at a school, each child who competed in n events and scored a total of Ｐ points was given an overall score of~$\frac{p}{n}+n$~ . Andrew competed in 1 event and scored 9 points, Jason competed in 3 events and scored 5,6, and 7 points, respectively .What was the ratio of Andrew’s overall score to Jason’s overall score ？

~$\frac{10}{23}$~

~$\frac{7}{10}$~

~$\frac{4}{5}$~

~$\frac{10}{9}$~

~$\frac{12}{7}$~