Honey's blueberry muffin recipe calls for 3 1/4 pounds of blueberries and 2 1/2 cups of muffin mix. How many cups of muffin mix should Honey use if she plans to use 7 pounds of blueberries. Answer and explain briefly.

For this case we convert the mixed numbers to improper fractions:

Now, we propose a rule of three:

pounds of blueberries ------------->cups of muffin mix

7 pounds of blueberries -----------------------------> x

Where the variable "x" represents the number of cups of muffin mix that Honey should use.

So approximately Honey should use cups of muffin mix

Approximately Honey should use cups of muffin mix