how to solve concentration problems in differential equations? tank- water and salt problem . please help!

Question

jack1 · Answer

u have equations?

anonymous · Answer

q'(t)=dQ/dt

anonymous · Answer

i have no idea where to start here

anonymous · Answer

A tank contains 20 pounds of salt dissolved in 50 gallons of water. Suppose 3 gallons of water containing 2 pounds of salt flow in every minute. There is a hole in the tank at which 2 gallons of liquid are pouring out every minute. How much salt is in the tank after 1 hour?

anonymous · Answer

this is the problem

anonymous · Answer

please helpp

loser66 · Answer

watch it, very clear http://www.youtube.com/watch?v=eJPpFRGqHQo

jack1 · Answer

...@Loser66  ... did... dud u just rick-roll someone...? 
   
;D

jack1 · Answer

@Loser66

loser66 · Answer

what do you mean?

jack1 · Answer

nothing, nvmd dude ;) will pm u

anonymous · Answer

the video was great thanks so much! i got an answer hopefully its right!

anonymous · Answer

just curious what would happen if there were two tanks that are connected?

loser66 · Answer

just follow the author, his videos are great

anonymous · Answer

yeah thats true thanks