each of the 15 student council members of Blakemore Elementary School is responsable for telling exactly 2 other students about the upcoming school pep assembly. Each of those 2 is then responsable for telling 2 other students. It takes 15 minutes for each round of stundents to be told. How many minutes will take for 1,000 students to recive the information about the pep assembly ?

Question

Reiny · Answer

end of round1 -- 30 students -- 15 minutes round2 -- 60 -- 30 min round3 -- 120 -- 45 round4 -- 240 -- 60 round5 -- 480 -- 75 ruond6 -- 960 -- 90 round7 --1920 -- 105 what do you think?

jimmy · Answer

ty