1.	Determine whether the ratios and form a proportion. Justify your answer.
		A.	Yes, their cross products are equal.	B.	No, they are unit rates.
		C.	Yes, they are both percents.	D.	No, their cross products are not equal.
		Hint
	2.	The average human heart beats 72 times in 60 seconds. How many times does it beat in 45 seconds?
		A.	54 times	B.	96 times
		C.	30 times	D.	84 times
		Hint
	3.	Solve .
		A.	x = 14	B.	x = 35
		C.	x = 28	D.	x = 7
		Hint
	4.	Solve .
		A.	d = 226	B.	d = 198
		C.	d = 208	D.	d = 260
		Hint
	5.	A restaurant claims that two slices of their Grande Pizza will serve 1 person. According to this claim, how many people would be served by 36 slices of Grande Pizza?
		A.	20 people	B.	18 people
		C.	36 people	D.	15 people
		Hint