In Jacksonville Beach, Florida, the ocean temperature decreased by an average of 2°F each month for 5...

In Jacksonville Beach, Florida, the ocean temperature decreased by an average of 2°F each month for 5 months and then increased by an average of 4°F for 7 months. In St. Petersburg, Florida, the ocean temperature decreased by 4°F for 5 months and then increased by 2°F for 7 months. In which location did the ocean have a greater change in temperature? Explain.
Jacksonville Beach had a total temperature change of □ + 5 * □ + 7 * □, and St. Petersburg had a total temperature change of □ + 5 * □ + 7 * □. So the ocean □ had a greater change in temperature. (Type whole numbers.)