Julie found a shoe sale. She bought 8 pairs of shoes for a total of $45.50. She decided to buy 5 pairs of shoes for her sister as well. If all the shoes cost the same, how much money will she spend on shoes?

If 20% of a number is 35, what is 50% of that number?

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

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?