estimating warehouse storage capacities weight vs volume using grains or 50 kg bags

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naumannp

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1200 metric ton wheat is processed in mill to make wheat flour. During processing, 20% of actual wheat is wasted.

- What is the weight of wheat flour after it is processed in mill. Answer in metric tons?
- How many 50 kg wheat bags can be obtained from wheat flour?

If the area of warehouse is 2500 sq ft with 10ft height.
How much wheat flour can (in tons) can be kept in warehouse?


Can you please answer, or tell me where can I find these types of questions i mean "estimating warehouse storage capacities weight vs volume using grains, wheat flour bags". Any book reference etc to practice such problems?
 
This is a MATHEMATICS problem. Things like "storage capacities weight vs volume using grains, wheat flour bags" are really irrelevant. "1200 metric ton wheat is processed in mill to make wheat flour. During processing, 20% of actual wheat is wasted". If 20% is "wasted", 100- 20= 80% is saved ("100%" is always the total). What is 80% of 1200? That is the same as 80/100= 0.80 times 1200.

"How many 50 kg wheat bags can be obtained from wheat flour?" One metric ton is 1000 kg. Multiply the previous answer by 1000 then divide by 50.

"If the area of warehouse is 2500 sq ft with 10ft height, how much wheat flour can (in tons) can be kept in warehouse?"
This is, finally, not a pure math problem because you need to know the volume of each 50 kg and for that you need to know the density of wheat. Or, if that is not given, approximate it by 50 cubic decimeters which is .05 cubic meters (one decimeter of water is one kg and most other things are not too far off that). The volume of the warehouse is 25000 cubic feet is 707.92, or about 708, cubic meters. I got that by using http://www.metric-conversions.org/volume/cubic-feet-to-cubic-meters.htm?val=25000
 
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