Posted by Anonymous on Friday, August 3, 2012 at 12:10am.
An elementary school has a large lunch room containing many tables. One day at lunch, the children at one table decide to see how long it will take to spread a rumor throughout the entire room. Each minute, the number of tables that know the rumor doubles in size. If it takes just 10 minutes for the rumor to reach every table in the room, how long will it take for the rumor to reach half of the tables in the room?

math  Steve, Friday, August 3, 2012 at 10:53am
9 minutes.
Answer This Question
Related Questions
 math  An elementary school has a large lunch room containing many tables. One ...
 Math  One day, Jasmine and her friends had lunch while sitting at tables of 13...
 English  1. Our school has a great audiovisual room. If Mohamed visits our ...
 Math 8R  If there was a mobile lunch table used at a high school. Approximately...
 PreCalculus  I need help with a Matrix Algebra problem A small school has 100 ...
 English  Thank you very, very much for your help. Which of the following ...
 MATH  You have $110 IN YOUR lunch account and plan to spend $2.75 each school ...
 english  Write a memo of 6–15 sentences based on the scenario given here. You’...
 maths  30 children are going on a trip. It costs £5 including lunch. Some ...
 algebra  the local high school is setting up squareshaped lunch tables in the ...
More Related Questions