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May 28, 2015

Homework Help: Algebra

Posted by Amie on Wednesday, January 16, 2013 at 10:45pm.

A baseball player's batting average is the number of hits the player has divided by the number of at-bats. At the beginning of a game, a player has a batting average of .360. During the game, the player gets 3 hits during 5 at-bats, and his batting average changes to .375.
a. Write a system of linear equations that represents the situation.
b. How many at-bats has the player had so far this season?
c. Another player on the team has a batting average of .240 at the beginning of the same game. During the game, he gets 3 hits during 5 at-bats, and his batting average changes to .300. Has this player had more at-bats so far this season than the other player? Explain.

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