Problem of the Day

Chapter 4, Lesson 15

In her gift shop, Gloria mixes scented herbs to sell as potpourri. Today's special will be a mixture of dried rosemary and lavender. The rosemary sells for $1.25 per ounce and the lavender for $2.75 per ounce.

Write and solve an equation to find the number of ounces of each of these herbs that Gloria should blend in order to make a 20-ounce mixture that will sell for $2.15 per ounce.