Suppose person X was infected by a virus and it gets to infect three persons in a day. Each of these infected persons gets to infect three other persons. If this cycle goes on, then how many persons will be

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.7: Puzzle Problems
Problem 9OE
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Suppose person X was infected by a
virus and it gets to infect three
persons in a day. Each of these
infected persons gets to infect three
other persons. If this cycle goes on,
then how many persons will be
infected within 5 days including
person X (first day)? *
O 120
O 121
O 130
O 131
Transcribed Image Text:Suppose person X was infected by a virus and it gets to infect three persons in a day. Each of these infected persons gets to infect three other persons. If this cycle goes on, then how many persons will be infected within 5 days including person X (first day)? * O 120 O 121 O 130 O 131
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