Difference between revisions of "2021 AMC 10B Problems/Problem 6"

Latest revision as of 17:36, 11 February 2021

Redirect to:

@@ Line 1: / Line 1: @@
-==Problem==
+#redirect [[2021 AMC 12B Problems/Problem 4]]
-Ms. Blackwell gives an exam to two classes. The mean of the scores of the students in the morning class is <math>84</math>, and the afternoon class's mean score is <math>70</math>. The ratio of the number of students in the morning class to the number of students in the afternoon class is <math>\frac{3}{4}</math>. What is the mean of the scores of all the students?
-<math>\textbf{(A)} ~74 \qquad\textbf{(B)} ~75 \qquad\textbf{(C)} ~76 \qquad\textbf{(D)} ~77 \qquad\textbf{(E)} ~78</math>