Shira buys and sells hair clips. In January, she makes $750.00. If she buys the clips for $.08 and sells them for $2.10, how many did she sell?
Yoel buys computers and cameras from a distributor. He spends $7500 on cameras and buys twice as many cameras as computers. If the price of cameras is 4 times the price of computers, how much did he spend on computers?
Sprint offers cell phone service for $40/month and $.02/minute after the first 475 minutes. Verizon charges $35/month and $.03/minute. At what number of minutes are the two carriers equivalent in price?
Erica watches 8 hours of television every 3 weeks. How many hours of television does she watch in n years?
Taylor drives from work to the studio at 80 mph and returns at 50mph. Find her average rate.
Line s is perpendicular to line t and passes through . Find an equation to describe line s.
