SOLUTION: In a well known story the inventor of the game of chess was asked by his well pleased King what reward he desired. "Oh, not much, your majesty", the inventor responded, "just place

Question 933903: In a well known story the inventor of the game of chess was asked by his well pleased King what reward he desired. "Oh, not much, your majesty", the inventor responded, "just place a grain of rice on the first square of the board, 2 on the next, 4 on the next, and so on, twice as many on each square as on the preceding one. I will give this rice to the poor." (For the uninitiated, a chess board has 64 squares.) The king thought this a modest request indeed and ordered the rice to be delivered.

A) Supposing that there are 25,000 grains of rice in a pound, 2000 pounds in a ton, and 6 billion people on earth, the inventor's reward would work out to approximately ____ tons of rice for every person on the planet. Clearly, all the rice in the kingdom would not be enough to begin to fill that request. The story has a sad ending: feeling duped, the king caused the inventor of chess to be beheaded. What is the approximate tons of rice?
Help would truly be appreciated for this.

Answer by AnlytcPhil(1806) (Show Source): You can put this solution on YOUR website!

That's a geometric series
1+2+4+8+16+..., to 64 terms.



Substitute , , 


grains of wheat, which would weigh about 5 trillion tons, which would be a pile
of wheat higher than Mount Everest. This is about 1000 times the annual world
production of wheat.

Edwin

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