1.	Express the ratio 18 inches to 2 feet in simplest form.
		A.	9	B.
		C.		D.
		Hint
	2.	Express the rate 40 students to 8 teachers as a unit rate.
		A.	10 students per teacher	B.	5 students per teacher
		C.	12 students per teacher	D.	4 students per teacher
		Hint
	3.	Express the ratio 6 cups to 40 cups in simplest form.
		A.		B.
		C.		D.
		Hint
	4.	Which is the correct interpretation of the rate 10 inches of rain: 4 hours?
		A.	5 inches of rain fell in 2 hours	B.	5 inches of rain fell in 4 hours
		C.	2 inches of rain fell in 5 hours	D.	10 inches of rain fell in 2 hours
		Hint
	5.	Express the ratio 30 minutes to 4 hours in simplest form.
		A.		B.
		C.		D.
		Hint