Question 3 • Concepts in Probability and Statistics
Margo has 15 pounds of clay, Tim has 10 pounds of clay, Tray has 13 pounds of clay, Lila has 14 pounds of clay, and Jerry has 13 pounds of clay. How can they redistribute the clay so that they all have the same amount? Choose three correct answers.
Answer
A
Tim should be given 1 pound of clay.
B
When fairly balanced everyone will have 14 pounds of clay.
C
Margo should give away 2 pounds of clay.
D
Lila should give away 1 pound of clay.
E
Margo should be given 2 pounds of clay.
F
When fairly balanced everyone will have 13 pounds of clay.
Explanation
Together, they have 15 + 10 + 13 + 14 + 13 = 65 pounds of clay. Dividing 65 pounds equally among 5 people gives 13 pounds each. Margo has 2 pounds more than that and Lila has 1 pound more, so they should give away those amounts; everyone will then have 13 pounds.
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