Maths The first period of a class starts at 10:30 and the fourth period ends at 13:45, if the duration of each period is the same and 5 minutes rest is given at the end of each period, then what is the duration of each period? ?
| Q.200355: The first period of a class starts at 10:30 and the fourth period ends at 13:45, if the duration of each period is the same and 5 minutes rest is given at the end of each period, then what is the duration of each period? ? |
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