Question

A certain type of parasite measures .0012 mm on its first day of life. It then triples in length each day after that. How many days will it take for the parasite to grow to be 150 mm?

A. About 5.1 days
B. About 10.7 days
C. About 49.9 days
D. About 41,666.7 days

Answer 1

the answer is 10.7 on apex

Answer 2

D is the answer. 0.0012x3= 0.0036, now you know the common variable. 150/41,666.7= 0.0037. They both check, therefore the answer is D