Posted by Anonymous on Tuesday, December 15, 2009 at 9:22am.
AN empty 5gal water jug weighs 0.75lb. With 3 c of water inside, the jug weighs 2.25 lb. Predict the weight of the jug with 5 c of water inside.

algebra 2  Reiny, Tuesday, December 15, 2009 at 9:48am
change in weight = 2.25.75 = 1.5 lbs
So each "c" must weight .5 lbs
Weight = .5c + .75
PLug in c = 5
(btw, what is "c" ?
go metric, young man!) 
algebra 2  breanna, Tuesday, December 15, 2009 at 4:42pm
i need help

algebra 2  jungle, Tuesday, September 25, 2012 at 7:16pm
.75 multiply by 5 = 3.75 weight