Jenny was very happy. She had a new Chihuahua puppy. It was her responsibility to feed him. Her father told her the puppy would eat 1/2 of a small can of food each day. How much would the puppy eat in three weeks?
3 weeks * (7 days/ 1 week) * ( 1/2 can / 1 day)
= 3*7/2
= 21/2
= 10 1/2 cans