That's entirely dependant on the size of the serving, but very easy to calculate. First you determine the size of the serving in "ounces of uncooked rice". Then multtiply by 500 (servings) and divide by 16 (ounces per pound) to find how many pounds of rice you need to feed all 500.
Here is your answer from a similar question: http://wiki.answers.com/Q/How_many_grains_are_considered_to_be_a_serving_of_rice
40 people can be served with 10 lbs. of dry rice.
One cup of cooked rice makes as many servings as you make it.
If your statement is accurate, then 0.6 pounds of rice. But that on the definition of a serving (which is generally about a cup of cooked rice per serving).
Two and a half ounces of dry rice is equal to a single serving. Therefore, ten pounds of dry rice would make sixty-four servings.
You can get 2 servings of cooked rice from 2 cups of cooked rice. It can also be 3 servings if you don't tend to eat a lot of rice.
There are about 10 servings per 1 lb bag. 1 cup makes 2 servings, so about 5 cups.
8 servings
9
When cooked, it would have about 42-50 servings, depending on the type of grain of rice. Each serving would be about 1 cup of cooked rice each.
2.23 pounds of rice are present in 155320 grains of rice.
i believe 6-11 year old should have 3 or 4 servings of dairy of rice and alternatives.
One pound of rice makes ten 3/4 cup servings (1/4 cup dry, 3/4 cup cooked). So, for 400 people, you would need 40 pounds of rice for 400 people, if the serving size is the average 3/4 cup portion. If you want to allow 1 cup per serving, you would need to increase the amount of dry rice by 25%, which would be 50 pounds of rice.
I would use 10 pounds of rice