the cost of a cell phone varies directly with the number of minutes it uses. if it costs $73.25 to talk for 180 minutes , what is the cost to talk for 320 minutes?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Novak gives 9 packs of paper to a group of 5 students. if the group shares the paper equally how many packs of paper does each student get. write the a answer as a mixed number