Question

A student's grade in a Psychology course is comprised of tests (40%), quizzes (20%), papers (20%), and a final project (20%).
His scores for each of the categories are 85 (tests), 100 (quizzes), 92 (papers) and 84 (final project). Calculate his overall grade.
A. 90.25
B. 88.2
C. 89.2
D. 86.7

Answer 1

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TESTS (40%) : 85

QUIZZES (20%) : 100

PAPERS (20%) : 92

FINAL PROJECT (20%) : 84

TESTS :

$\frac{40}{100} \times 85 = 34$

QUIZZES :

$\frac{20}{100} \times 100 = 20$

PAPERS :

$\frac{20}{100} \times 92 = 18.4$

FINAL PROJECT :

$\frac{20}{100} \times 84 = 16.8$

OVERALL GRADE = 89.2