SOLUTION: Friends go to a party. At the rst doorbell ring, one guest arrives. At the second ring, two more guests arrive than on the rst ring. At the third ring, two more guests arrive tha

Question 244883: Friends go to a party. At the rst doorbell ring, one guest arrives. At the second ring, two more guests arrive than on the rst ring. At the third ring, two more guests arrive than on the second ring, and so on. How many guests have arrived at the party after the eighth ring?
(A) 15 (B) 36 (C) 49 (D) 64 (E) 81
Answer by Mr. Feliz(12) (Show Source): You can put this solution on YOUR website!
I can help you with this math question using paint attachment.
Send this question to: nycfunction@yahoo.com for a reply.
I may not get to your question right away but eventually you'll get my complete reply.
Mr. Feliz

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