How many times does 2.5 go into 15

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?