blunted Messages 23 Reaction score 0 Thread starter Jan 7, 2013 #1 Homework Statement Calculate: (3 a + 3 b)/(a - b) If a/b = 2/5 No attempts, I don't know how to solve this. Help?
Homework Statement Calculate: (3 a + 3 b)/(a - b) If a/b = 2/5 No attempts, I don't know how to solve this. Help?
tiny-tim Science Advisor Homework Helper Messages 25,837 Reaction score 258 Jan 7, 2013 #2 welcome to pf! hi blunted! welcome to pf! blunted said: a/b = 2/5 hint: so a = … ?
blunted Messages 23 Reaction score 0 Jan 7, 2013 #3 Oh my god :D Thanks for the hint and the welcome :)
blunted Messages 23 Reaction score 0 Jan 7, 2013 #4 K + l + m = 34. K/l = 1/4 l/m = 1/3 l = ? Is it 8 ? Last edited: Jan 7, 2013
tiny-tim Science Advisor Homework Helper Messages 25,837 Reaction score 258 Jan 7, 2013 #5 maybe it is and maybe it isn't show your calculations! (same hint as before, btw)