math
posted by jimmy .
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 ?
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