Practice!

Sample Problem

A meat store sold 25 lb. 10 oz. of roast beef in the morning and 45 lb. 8 oz. in the afternoon. If the store had 75 lb. 15 oz. of roast beef at first, how many roast beef did the store have left?

  lb. oz.

Solution

Amount of roast beef left: 75 lb. 15 oz. - 25 lb. 10 oz. - 45 lb. 8 oz. = 4 lb. 13 oz.