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1993 AMC 8 Problem 10

Attempt Problem 10 of the 1993 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1993 AMC 8 solutions, or check the answer key.

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10.

This line graph represents the price of a trading card during the first 66 months of 1993.1993. The greatest monthly drop in price occurred during which month?

January

March

April

May

June

Answer: B
Concepts:data and graph interpretation
Difficulty rating: 660
Solution:

The price changes month to month are: January $2.50→$2.00\$2.50 \to \$2.00 (drop $0.50\$0.50), February $2.00→$4.00\$2.00 \to \$4.00 (rise), March $4.00→$1.50\$4.00 \to \$1.50 (drop $2.50\$2.50), April $1.50→$4.50\$1.50 \to \$4.50 (rise), May $4.50→$3.00\$4.50 \to \$3.00 (drop $1.50\$1.50), and June $3.00→$1.00\$3.00 \to \$1.00 (drop $2.00\$2.00).

The largest drop is $2.50,\$2.50, which occurred during March.

Thus, the correct answer is B .

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