You are building a rectangular walkway. You want the area of the walkway to be 20 sq. ft. You want the length of the walkway to be 1 ft. longer than its width. What should the dimensions of
the walkway be?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

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?

Write the percent as a fraction or mixed number in simplest form. 0.8%