How do I find the ratio of scores from this weird formula?

Question

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 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? 
A. 10/23
B. 7/10
C. 4/5
D. 10/9
E. 12/7

Mansih K · Accepted Answer

Break it down using the formula: p/n + n
Andrew: 1 event, 9 points &rarr; 9/1 + 1 = 10
Jason: 3 events, total of 18 points &rarr; 18/3 + 3 = 9
Now just compare their scores: Andrew : Jason = 10 : 9 &rarr; That&rsquo;s 10/9
So yeah, correct choice is D.

V Ritik · Answer

The formula they&rsquo;re using is: overall score = (total points) / (number of events) + number of events
For Andrew: He did 1 event and scored 9 points &rarr; 9 / 1 + 1 = 10
For Jason: He did 3 events, scores were 5 + 6 + 7 = 18 points &rarr; 18 / 3 + 3 = 6 + 3 = 9
So now the ratio of Andrew&rsquo;s score to Jason&rsquo;s = 10 / 9 Answer is D