A farmer uses 1/3 of his land to plant cassava,2/5 of the remaining to plant maize and the rest for vegetables an area of 10 acres. What is the total area of the farmer's land?

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?