If the price of milk was $2.50 a gallon and it is now $3.25 a gallon, what is the percentage change in price?
A)13 percent
B)30 percent
C)75 percent
D)77 percent

Question

Quizplus · Accepted Answer

To calculate the percentage change, you need to calculate the difference between the old and new price, divide that by the old price, and multiply the result by 100. 
($3.25 - $2.50)/$2.50 x 100 = 0.75/$2.50 x 100 = 0.30 x 100 = 30% 
Therefore, the percentage change in price is 30%.

If the Price of Milk Was $2