A class left the school at 10am in the morning and took 1 hour to visit a museum, stayed for 2 hours and rode on the bus for 1 hour to come back. At what time did they arrive back at school?

Written By P. Roland

4. A class left the school at 10am in the morning and took 1 hour to visit a museum, stayed for 2 hours and rode on the bus for 1 hour to come back. At what time did they arrive back at school?

P. Roland
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The principal started a meeting on Monday at 10 o’clock in the morning. The meeting ended at 1 o’clock in the afternoon. How long was the meeting?