Help me defeat these 1st grade PROBLEMS!

johntam
Sat, 27 Nov 2004 20:01:31 +0000

I always get messed up these type of annoying problems that test relationships. This was question #1 and i spent 2 minutes on it and got it wrong. I always have to plug in numbers and do alot of messy stuff to work these.

Can someone offer some advice?

Problems like r-s> r+s