Question 9
Nancy, Jessie, Gita and Peter won medals in several Math Olympiad competitions. Nancy won 25% of the total won by the other three. Jessie won $1/5$ of the total won by the other three. The ratio of Gita’s medals to the total won by the others was $3:4$. Jessie won 16 fewer medals than Peter. How many medals did they win altogether?