a) A sprinter set a high school record in track and field, running 200.0 in 21.2 . What is the average speed of the sprinter in kilometers per hour?
Express your answer numerically in kilometers per hour.
b) A specific brand of gourmet chocolate candy contains 7.00 of dietary fat in each 22.7- piece. How many kilograms of dietary fat are in a box containing 4.00 of candy?
Express your answer numerically in kilograms.