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Determine the duration of a period for subject C on a Monday, how long is the break for lunch on a Tuesday, and if the school is following in a certain week the Day 1 time-table of Friday, calculate..

Mathematics

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2 parts
2.1

1 hour 20 minutes\text{1 hour 20 minutes}

2.2

51 minutes\text{51 minutes}

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Here are the solutions to the time calculation problems.

Part 2

TIME TABLES AND CALCULATING ELAPSED TIME

Part 2.1

1 hour 20 minutes\text{1 hour 20 minutes}

Determine the duration of a period for subject C on a Monday.

  1. Identify the start and end times for subject C on Monday from the timetable.

    Subject C on Monday is from 10:05 to 11:25.

  2. Calculate the duration.

    Duration=11:25−10:05\text{Duration} = 11:25 - 10:05 Duration=(11 hours 25 minutes)−(10 hours 5 minutes)\text{Duration} = (11 \text{ hours } 25 \text{ minutes}) - (10 \text{ hours } 5 \text{ minutes}) Duration=1 hour 20 minutes\text{Duration} = 1 \text{ hour } 20 \text{ minutes}

    The duration of the period is 1 hour 20 minutes\boxed{\text{1 hour 20 minutes}}.

Part 2.2

51 minutes\text{51 minutes}

How long is the break for lunch on a Tuesday?

  1. Identify the start and end times for lunch on Tuesday from the timetable.

    Lunch on Tuesday is from 11:25 to 12:16.

  2. Calculate the duration.

    Duration=12:16−11:25\text{Duration} = 12:16 - 11:25

    To subtract, we borrow 1 hour (60 minutes) from 12 hours.

    Duration=(11 hours (16+60) minutes)−(11 hours 25 minutes)\text{Duration} = (11 \text{ hours } (16+60) \text{ minutes}) - (11 \text{ hours } 25 \text{ minutes}) Duration=(11 hours 76 minutes)−(11 hours 25 minutes)\text{Duration} = (11 \text{ hours } 76 \text{ minutes}) - (11 \text{ hours } 25 \text{ minutes}) Duration=0 hours (76−25) minutes\text{Duration} = 0 \text{ hours } (76-25) \text{ minutes} Duration=51 minutes\text{Duration} = 51 \text{ minutes}

    The duration of the lunch break is 51 minutes\boxed{\text{51 minutes}}.

Part 2.3· 1 step

If the school is following in a certain week the Day 1 time-table of Friday, calculate the time allocated for subject A for the whole week (from Monday to Friday).

  1. List all periods for Subject A and their durations for the week (

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