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Questions Categories

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How many regular size marbles can you fit inside a standard size bath tub?

Q: How many regular size marbles can you fit inside a standard size bath tub?

How do I figure out how many spheres the size of Pluto would it take to have the volume as a sphere the size of earth?

Q: The radii of Earth and Pluto are 6,371 kilometers and 1,161 kilometers, respectively. Approximately how many spheres the size of Pluto does it take to have the same volume as Earth?

What is the strategy for winning Sticks?

Q: There is a game called Sticks. There are 3 sticks on the top row, 5 sticks on the middle row and 7 sticks on the bottom row. You can rub out as many sticks as you like, but they have to be from the same row. You also win by making the other person rub out the last stick. What is the strategy/solution?

How do I figure out a percent?

Q: What percent is 2.15 of 2.50?

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