E Electrons Full Member 10+ Year Member 15+ Year Member Oct 18, 2007 #1 Advertisement - Members don't see this ad At a party of orthodontists, 1,000 of them are from west coast. 100 of orthodontists are women. 60 of the women are not from the west coast. How many male orthodontists are from the west coast? Answer: 960. No idea on this one. How is this setup?
Advertisement - Members don't see this ad At a party of orthodontists, 1,000 of them are from west coast. 100 of orthodontists are women. 60 of the women are not from the west coast. How many male orthodontists are from the west coast? Answer: 960. No idea on this one. How is this setup?
S SOON2be Full Member 10+ Year Member 15+ Year Member Oct 18, 2007 #2 1000 ortho's are from west coast 60 out of 100 women are not from the west coast so there are 40 women out of 1000 orthos one the west coast 1000-40=960 Upvote 0 Downvote
1000 ortho's are from west coast 60 out of 100 women are not from the west coast so there are 40 women out of 1000 orthos one the west coast 1000-40=960
E Electrons Full Member 10+ Year Member 15+ Year Member Oct 18, 2007 #3 i finally get it. thanks. Upvote 0 Downvote
