Question

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Answer 1

Answer:

2 $\frac{1}{3}$ Hours are left for the school to get over.

Step-by-step explanation:

Total hours of school= 4 Hours = 240 minutes

Time spent in library= 45 minutes

Time spent in science lecture= $\frac{1}{2}$ of an hour= 30 minutes.

Time spent in lunch break= 25 minutes

Total time spent= 45+30+25 minutes= 100 minutes

Time left for school to get over= 240 minutes - 100 minutes= 140 minutes

140 minutes= 2 hours 20 minutes= 2 $\frac{20}{60}$ hours = 2 $\frac{2}{6} hours = 2 \frac{1}{3} hours$.

Answer:- So, $2 \frac{1}{3}$ hours are left for the school to get over.

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