Mathematics for IGCSE & O level - Time (Section 3 - No. 22)
Joe set his digital recorder to switch on at 8:35 p.m. and switch off at 10:20 p.m. How long was the recorder on?
1 hour 55 minutes
1 hour 45 minutes
2 hours 5 minutes
2 hours 15 minutes
Explanation
Find the time difference between the start and end times.
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