Posted by marc on Thursday, November 1, 2007 at 4:57pm.
13b/6=20.5b/4
I cross muliptiled and I got 123b=524b. I'm stuck. What do I do now?

math  Reiny, Thursday, November 1, 2007 at 5:41pm
123b=524b
Now add 4b and subtract 12 from both sides
3b + 4b = 52  12
b = 40