# plz help me idont understand this problem

*label*Mathematics

*timer*Asked: Mar 22nd, 2015

**Question description**

A vitamin supplement is eliminated from the bloodstream at a rate of about 22% per hour. The supplement reaches a peak level in the bloodstream of 250 milligrams. Predict the amount, to the nearest tenth of a milligram, of the supplement remaining 2 hours after the peak level.