Which inequality represents the solutions to 15 + 3x > 6? A. O x<0
B. Ox<-3
C. O x>-3
D. O x>-5

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?