Raymond B. answered 12/08/20
Math, microeconomics or criminal justice
walmart sells pens at 889/15 = 59+ cents per pen, 59.2666...
shopko sells at 490/8 = 61+ centers per pen, 61.250 cents
Walmart saves you slightly less than 2 cents per pen over shopko
divide total cost by number of pens to get the price of one pen