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Cell Phone Fundraiser

Suppose that your school wants to raise money to build a new computer lab, and you have the idea of collecting old cell phones and recycling them. Since it was your idea, the Student Council asks you to find out how much money you can that way.

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Space in Space

In order to lower the original weight of the Orion vehicle, NASA engineers decided to reduce its size from an original diameter of 5.5 meters to a new diameter of 5 meters.

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