Which Values are solutions to the inequality below? (Will mark correct brainliest)

Which graph represents the equation y =4x

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?

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3