Question

The average cost of a gallon of gas during July was $2.45. The average cost of a gallon of gas during August was $2.78. What is the percent of change in the average cost of a gallon of gas from July to August?

Answer 1

Step One

Figure out the actual change.

Change = 2.78 - 2.45

Change = 0.33

Step 2

Find the % change

% Change = 0.33/2.45 * 100 = 13.5%