Maria spent the day working at a DVD shop. They run a sale with $10 DVDs and $12 DVDs. Her boss wants to know the total number of $12 DVDs they sold. 500 customers bought DVDs but she doesn’t want to go through all the receipts. If she knows that they sold $5,750, how many did they sell?

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x