blakemore elementary school has 1,000 students. 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 students to be told. How many minutes will take for 1,000 students to receive the information about the pep assembly?

Minute               students               total number of students told

0                          15                           15
15                         30                          15+30=45
30                          60                         45+60=105