NAME ______________________________ DATE _______________

ACTIVITY

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Filling Up and Emptying

In Problems 4–6, people are going to a football game at the Gopherdome.

• 4 The game is sold out. At the end of the third quarter, the game is not close, so 10,000 people go home. How many people are still in the stadium?

• 5 With 10 minutes left in the game, 20,000 more people go home. How many people are still in the stadium?

• 6 At the end of the game, another 25,000 people leave. The others stay to wait for the traffic to clear. How many people are still in the stadium?

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