Percentage 3971

Students have classes from 8:00 to 12:30. One 15-minute break and three 10-minute breaks between lessons. What percentage of teaching is breaking?

Correct answer:

p =  16.6667 %

Step-by-step explanation:

a=12.508.00=4.5 b=(15+3 10)/60=43=0.75 p=100 b/a=100 0.75/4.5=16.6667%

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