Swifty Distribution markets CDs of the performing artist Unique. At the beginning of October, Swifty had in beginning inventory 2,000 of Unique’s CDs with a unit cost of $7. During October, Swifty made the following purchases of Unique’s CDs.

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18