Maria is in a math class where the grading scale is 50% is made up of tests, 30% is made up of quizzes, and 20% is made up of homework. She gets a 100 in homework, 70 in quizzes and 68 in tests. What is her average in math?
-
0.50x68=34
0.30x70=21
0.20x100=20
34+21+20=75
Her average in math is 75%.
0.30x70=21
0.20x100=20
34+21+20=75
Her average in math is 75%.
-
.5(68) + .3(70) + .2(100) = 34 + 21 + 20 = 75