50 POINTS QUICKLY Given the units and number line below, use a planning triangle to show where 2/5 of 4 is on the number line. Show every step and label all units.

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?