A frozen pizza cost $3.00 in the year 2000. In 2015, it cost $2.50. What is the percent of change of the pizza from 2000 to 2015. (round your answer to the nearest 10th) Giving out brainlist to those that help!

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Pls never taught i’m really confused and i rlly need

Ineed on this question me get the answer