November 28, 2015

Homework Help: math

Posted by cici on Tuesday, October 22, 2013 at 9:50pm.

A geologist collected a 2.5-kg soil sample for analysis. If she only needs 20 grams of sample to perform the analysis, what percentage of the soil sample will be tested?

Answer: .8%

2.5kg = 2500g
20/2500 = .008 = .8%

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