Jamie goes shopping for the school dance. she buys a dress that is originally $58.99. if there is a 15% off sale at the store, about how much money will jamie save?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2