La Pluma Pen Company is located in Hidalgo, Texas. The workers in the factory manufacture pens with red, blue, green, and black ink. In a four-hour period, the factory producers 976 pens. At this rate, how many pens do they produce in 1/2-hour?
976 p / 4h = 244 p/h or 244 pens per hour
244 p/h * 1/2 hr = 122 pens in 1/2 hour