Find the percent of change. Round to the nearest tenth. $56.00 to $80.00.

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

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 of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319