Question

The barbecue started at half-past 5.

The O'Mahony family left after 2 hours.
At what time did they leave?
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Answer 1

7:30

Explanation:

Half past 5 would be 5:30.

An hour is 60 minutes, half of 60 is 30

In order to find the time two hours later we must add 2 to 5:30

5:30+2=7:30