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This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.
Units — Basic example
A high school class is measuring the amount of nitrate in a local stream. To be considered safe to drink, the maximum amount of nitrate that can be present in water is 10 milligrams per liter. The class takes a sample of 15 liters (L) of water. If the number of milligrams per liter of nitrate in the stream water is 3/4 of the maximum that is safe to drink, how many milligrams (mg) of nitrate should the class expect to find in their sample?
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