1.	Subtract 1 hour 54 minutes from 3 hours 13 minutes.
		A.	2 h 41 min	B.	1 h 19 min
		C.	2 h 51 min	D.	1 h 29 min
		Hint
	2.	Luis is baking a cake for the school bake sale. He puts the cake in the oven at 5:30 P.M. The recipe states that the cake should bake for 45 minutes. At what time should Luis take the cake out of the oven?
		A.	6:15 P.M.	B.	6:25 P.M.
		C.	6:30 P.M.	D.	5:75 P.M.
		Hint
	3.	John spent 1 hour 15 minutes doing his math assignment on Monday, 50 minutes on Tuesday, and 1 hour 10 minutes on Wednesday. How much time did he spend doing math homework?
		A.	3 h 15 min	B.	2 h 75 min
		C.	4 h	D.	2 h 30 min
		Hint
	4.
		A.	1 h 23 min 33 s	B.	83 min 33 s
		C.	43 min 33 s	D.	17 min 33 s
		Hint
	5.	A concert begins at 7:45 P.M. and ends at 10:10 P.M. How long was the concert?
		A.	3 hours 35 minutes	B.	2 hours 25 minutes
		C.	3 hours 25 minutes	D.	2 hours 15 minutes
		Hint