Using the formula: w=xyz, find w when x=22, y=12. z=6

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Add the fractions and simplify 1/2+ 1/3

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?