1.	Two trains leave the station at the same time. The first train is traveling north at 55 mph and the second train is traveling south at 35 mph. How long does it take until they are 45 miles apart?
		A.	hour	B.	1 hour
		C.	hour	D.	hour
		Hint
	2.	You leave your house traveling 60 mph. After you have driven 25 miles, your mother leaves the house traveling in the same direction. What speed must your mother travel to catch up to you 5 hours after she leaves?
		A.	65 mph	B.	60 mph
		C.	55 mph	D.	not possible
		Hint
	3.	A chemistry experiment calls for a 25% solution of copper sulfate. Juanita has 20 milliliters of 15% solution. How many milliliters of 35% solution should she add to obtain the required 25% solution?
		A.	20 milliliters	B.	17 milliliters
		C.	23 milliliters	D.	15 milliliters
		Hint
	4.	At a bulk store, lollipops cost $1.95 per pound and jawbreakers cost $1.25 per pound. How many pounds of lollipops should be added to 4 pounds of jawbreakers to make a mixture that costs $1.45 per pound?
		A.	1.8 pounds	B.	1.5 pounds
		C.	2 pounds	D.	1.6 pounds
		Hint
	5.	Xenxang drove 60 miles to visit his daughter. On the way to his daughter's house the trip took 1 hour and 15 minutes. On the way back from his daughter's house the trip took 1 hour and 30 minutes. Rounded to the nearest mile per hour, what was Xenxang's average speed for the round trip?
		A.	48 miles per hour
		B.	46 miles per hour
		C.	40 miles per hour
		D.	44 miles per hour
		Hint