2008 AMC 10B Problem 4

Attempt Problem 4 of the 2008 AMC 10B 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 2008 AMC 10B solutions, or check the answer key.

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4.

A semipro baseball league has teams with 2121 players each. League rules state that a player must be paid at least $15,000,\$15{,}000, and that the total of all players' salaries for each team cannot exceed $700,000.\$700{,}000. What is the maximum possible salary, in dollars, for a single player?

270,000270{,}000

385,000385{,}000

400,000400{,}000

430,000430{,}000

700,000700{,}000

Answer: C
Concepts:inequalityoptimizationextremal argument
Difficulty rating: 840
Solution:

One player's salary is largest when the other 2020 players each earn the minimum $15,000.\$15{,}000.

That leaves $700,00020$15,000\$700{,}000-20\cdot\$15{,}000 =$700,000$300,000=\$700{,}000-\$300{,}000 =$400,000=\$400{,}000 for the single player.

Thus, the correct answer is C.

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