Write each expression using two ways: using the division symbol and as the fraction 3 divided by 5

Solve 3x-18=2y and 5x-6y=6 by elimination show work

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?

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily