There is a cat in front of 2 cats, a cat behind 2 cats, and a cat between 2 cats. what is the least number of cats there could be in the line-up. /explain

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?