Subtract: 5 h 20 min - 3 h 30 min
A)2 h 10 min
B)1 h 50 min
C)1 h 90 min
D)2 h 50 min
E) none of the above

Name: Subtract: 5 h 20 min - 3 h 30 min A)2 h 10 min B)1 h 50 min C)1 h 90 min D)2 h 50 min E) none of the above
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Question

Quizplus · Accepted Answer

To subtract hours and minutes, we need to begin by subtracting the minutes first and then the hours. 
20 min - 30 min = -10 min, which we regroup as 1 hour - 10 min or 50 min. 
Thus, 5 h 20 min - 3 h 30 min = 1 h 50 min. Therefore, the correct answer is B.

Subtract: 5 H 20 Min - 3 H 30 Min