You pull a sled with a package on it across a snow-covered flat lawn. If you
 apply a force of 65.1 N to the sled, it accelerates at 1.24 m/s2. What is the
 combined mass of the package and the sled? (Assume there is no friction.)
 A. 80.72 kg
 B. 96.75 kg
 C. 52.50 kg
 D. 62.40 kg