In a survey done in the college it is found that 240 have laptop and 60% have palmtop. Those who have palmtop also have laptop. If 20% don't have both then find number of men participate in the survice. Also find number of people who have laptop only.​

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?