PASCAL 2009 Problem 17

Nerissa writes five mathematics tests, each worth the same amount, and obtains an average of 73\%. After her teacher deletes one of her test marks, Nerissa’s new average is 76\%. What was the mark on the test that the teacher deleted?

Answer Choices
A. 60\%
B. 61\%
C. 62\%
D. 63\%
E. 64\%