At cassie's cashew shoppe, a sign says, "today only : 20% off anything ." maribel realizes that she has a coupon for 1/5 off the price of anything in the shop. which discount should she use, the 20%-off deal or the 1/5-off coupon? does it matter? explain.

What is the first step of an indirect proof of a number that is divisible by two

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.