Apharmaceutical saleswoman earns a base pay of $42,500 per year and a commission of 13% of all sales made. if she sold $39,800 worth of merchandise last year, what were her total earnings last year?

a. $76,775
b. $47,674
c. $45,325
d. $77,126

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?