To make the swim team pedro must swim 400 meters in less than 7 minute. pedro swam the first 200 meters in 2.86 minutes. he swam the second 200 meters in 3.95 minutes. what is the total amount of time he took to swim 400 meters? did pedro make the team?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655