KellyBlack/ODE-Recitation-Activities — pull request #6 by guangmingyao (2012-09-22 18:44:32+00:00)
Title: units in double tank problem is changed to gram, rate out for tank 2 is changed to 4 l/min

units in double tank problem is changed to gram, rate out for tank 2 is changed to 4 l/min