PASCAL 2001 Problem 6

Anna’s term mark was 80\%. Her exam mark was 90\%. In calculating her final mark, the term mark was given a weight of 70\% and the exam mark a weight of 30\%. What was her final mark?

Answer Choices
A. 81\%
B. 83\%
C. 84\%
D. 85\%
E. 87\%