Thomas is his father install drippers for the trees on their ranch. each dropper releases water a rate of 1/2 gallon per 1/4 hour. they don't want to deplete the water in the well too much on any one day so they run the water the same amount of time each day. each tree requires 15 gallons of water per week. how many minutes per day should they run the drippers?

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