Answer:
22%
Step-by-step explanation:
In 2000, the cost price for a gallon of milk was $2.69
In 2010, it costs $3.29.
Increase = $3.29 - $2.69
= $0.6
% increase =increase/original pricex100%
= $0.6/$2.69 x 100%
= 0.22 x 100
= 22%
Therefore , there was a 22% increase in the price of gallon of milk from 2000 to 2010
