If 5 apples cost $2.5, how much would 15 apples cost?

A car travels 60 miles in 2 hours. How far will it travel in 7 hours at the same speed?

A recipe calls for 3 cups of sugar to make 2 batches of cookies. How many cups of sugar would you need for 7 batches?

Mary reads 40 pages of her book in 2 hours. How many pages will she read in 5 hours if she keeps the same pace?

If a printer prints 20 pages in 4 minutes, how many pages will it print in 10 minutes at the same rate?

If 4 pencils cost $1.2, how much would 10 pencils cost?

A typist types 15 pages in 3 hours. How many pages will the typist type in 5 hours at the same pace?

A train covers 180 miles in 3 hours. How far will it travel in 7 hours at the same speed?

If you can buy 6 notebooks with $18, how many notebooks can you buy with $30?