MathDB
1988 AJHSME #18

Source:

June 21, 2011

Problem Statement

The average weight of 6 boys is 150 pounds and the average weight of 4 girls is 120 pounds. The average weight of the 10 children is
(A) 135 pounds(B) 137 pounds(C) 138 pounds(D) 140 pounds(E) 141 pounds \text{(A)}\ 135\text{ pounds}\qquad\text{(B)}\ 137\text{ pounds}\qquad\text{(C)}\ 138\text{ pounds}\qquad\text{(D)}\ 140\text{ pounds}\qquad\text{(E)}\ 141\text{ pounds}