Solve the problem.
-You are considering buying 15 silver coins that look alike, but you have been told that one
of the coins is a lightweight counterfeit. How can you determine the lightweight coin in a
maximum of three weighings on a balance scale?
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Q9: Solve the problem.
-Cheddar cheese comes in 2-pound
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Q11: Decide whether the statement makes sense. Explain
Q12: Decide whether the statement makes sense. Explain
Q13: Decide whether the statement makes sense. Explain
Q15: Solve the problem.
-Suppose that 8 turns of
Q16: Solve the problem.
-Three boxes are labeled "CDs,"
Q17: Solve the problem.
-Two bicyclists, 42 miles apart,
Q18: Decide whether the statement makes sense. Explain
Q19: Decide whether the statement makes sense. Explain
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