Kandi's boat travels 20 mph. Find the rate of the river current id she can travel 6 miles upstream in the same amount of time she can go 10nmiles downstream. (Let x = the rate of the current)

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days