Question

Kevin swims 50 meters in 1. 1 minutes on his first day of swimming class. He swims the same distance in 0. 9 minute a week later. The next week, he swims the same distance in 0. 7 minute. If the pattern continues, what will be Kevin's time one week later?

Answer 1

if the same pattern continues then kevin should be swimming a distance of 50 meters in 0.5 minutes.

just subtract 0.2 weekly if the pattern continues