Jo is buying a shirt for $15 and a pair of pants for $25. She has a coupon for 20% off the pants. What amount will she pay before tax?

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Can you divide 25 into 4 equal groups? explain why or why not.