Jennifer bought a box of Crunchy Grain cereal. The nutrition facts on the box state that a serving size of the cereal is 3/4 cup and provides 210 calories, 50 of which are calories
from fat. In addition, each serving of the cereal provides 180 milligrams of potassium,
which is 5% of the daily allowance for adults.
2. If p percent of an adult's daily allowance of potassium is provided by x servings of
Crunchy Grain cereal per day, write an expression that expresses p in terms of x.