Pls help and thank you guysss

What is the ratio of the length of an object in yards to the length of the same object in miles?

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

Jim had 15 minutes to do 5 laps around his school what would his time be