1.	Add 2 hours 17 minutes to 3 hours 53 minutes. Rename if necessary.
		A.	6 h 70 min	B.	6 h 10 min
		C.	5 h 70 min	D.	5 h 60 min
		Hint
	2.	Subtract 1 hour 54 minutes from 3 hours 13 minutes.
		A.	2 h 51 min	B.	2 h 41 min
		C.	1 h 29 min	D.	1 h 19 min
		Hint
	3.	You are trying to decrease the time it takes you to get ready in the morning. Yesterday it took you 1 hour 5 minutes 16 seconds. Today it took you 47 minutes 54 seconds. How much faster were you today than yesterday?
		A.	18 minutes 16 seconds	B.	1 hour 52 minutes 70 seconds
		C.	1 hour 53 minutes 10 seconds	D.	17 minutes 22 seconds
		Hint
	4.
		A.	1 h 65 s	B.	1 h 12 min 5 s
		C.	72 min 65 s	D.	1 h 13 min 5 s
		Hint
	5.
		A.	1 h 16 min 15 s	B.	43 min 45 s
		C.	3 h 45 min 15 s	D.	1 h 44 min 45 s
		Hint