Study the programme schedule below and answer the question. --- GREEN VALE SCIENCE FAIR --- Day: Saturday, 14 June Time | Activity -------------|---------------------------------- 9:00 a.m. | Registration and Welcome 9:30 a.m. | Opening Ceremony 10:00 a.m. | Junior Experiments Display 11:30 a.m. | Guest Speaker: Dr Sara Lim 12:30 p.m. | Lunch Break 1:30 p.m. | Senior Projects Showcase 3:00 p.m. | Prize-Giving Ceremony 4:00 p.m. | End of Fair --- How long does the Junior Experiments Display last?
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Worked Solution
Step 1: Find the start time of Junior Experiments Display.
Start time: 10:00 a.m.
Step 2: Find when it ends (next activity starts).
Guest Speaker begins at 11:30 a.m., so the display ends at 11:30 a.m.
Step 3: Calculate the duration.
11:30 a.m. − 10:00 a.m. = 1 hour 30 minutes.
Answer: 1 hour 30 minutes.
Correct answer: 1 hour 30 minutes
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