Posted by **Lisa** on Tuesday, October 30, 2007 at 11:03am.

Sarah rents a car to take her to the airport in the morning and return her home that evening. Halfway to the airport, she picks up a friend who accompanies her to the airport. That night, she and her friend return to Sarah's home. The total cost is $20.00. If the amount to be paid is to be split fairly, how much money should Shirley pay?

- Math-word problem -
**drwls**, Tuesday, October 30, 2007 at 11:35am
That depends upon how Shirley gets home and how much of the $20 was airport parking. This is not a math problem, it is more an etiquette question. Shirley should offer to pay half. She is getting escort service, after all.

- Math-word problem -
**Linda**, Tuesday, October 30, 2007 at 12:04pm
Who is Shirley?

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**DAN**, Sunday, March 30, 2008 at 5:12am
A 3000 POUND CAR IS PUSHED 500 FEET BY THREE BOYS, A FORCE OF 60 POUNDS IS REQUIRED TO MOVE THE CAR. HOW MUCH WORK DID THE BOYS ACCOMPLISH? HOW MUCH WORK CAN EACH BOY CLAIM IF HE DID HIS SHARE?

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**DAN**, Sunday, March 30, 2008 at 6:20am
The head of a round piston has a pressure of 210 psi pushing down on it. The piston is 3 inches in diameter. What is the force pushing the piston down?

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**DAN**, Sunday, March 30, 2008 at 6:22am
How much work does a 120 pound boy do in climbing to the top of the Washington Monument, a climb of 550 feet? If the climb in problem 2 takes 20 minutes, what is the average horsepower produced by the boy?

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