Please answer the following question by reasoning step-by-step.
There are 480 grains of rice in one cup. If half a cup is 8 tablespoons and one tablespoon is 3 teaspoons, how many grains of rice are in a teaspoon?

10
First find the number of tablespoons in a full cup: 8 tablespoons / half - cup * 2 half - cups / cup = 16 tablespoons.

Then find the total number of teaspoons in a cup: 16 tablespoons / cup * 3 teaspoons / tablespoon = 48 teaspoons.

Then find the number of grains of rice per teaspoon: 480 grains / 48 teaspoons = 10 grains / teaspoon.

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Final answer: 10