Rory has 4 pounds of ground pork to make meatballs. He uses 5
8 pound per meatball to make 5 meatballs. How many
1
8​-pound meatballs can Rory make with the remaining

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?