Jonathan has a collection of 400 marbles. blue marbles make up 17%, percent of his collection. how many blue marbles does jonathan have?

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?

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books