A virus is spreading across an animal shelter The percentage of animals infected after t days 100 is given by V t 1 99e 0 139t A What percentage of animals will be infected after 13 days ROUND YOUR ANSWER TO 2 DECIMAL PLACES i e 12 34 About of the animals will be infected after 13 days B How long will it take until exactly 90 of the animals are infected ROUND YOUR ANSWER TO 2 DECIMAL PLACES 90 of the animals will be infected after about days