At Rizvi's school the first class starts at 8:30am and the fourth ends at 11:30am. There are four minutes between classes. each class is of same length. how long is each class?
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total time is of 3 hour,i.e., 3×60=180 min
time gap =4min
total three time gap between 4 classes
let us consider each class is of 'x' duration
4x + (4×3) = 180
4x + 12 = 180
4x = 168
x = 42
so each class is of 42 min
time gap =4min
total three time gap between 4 classes
let us consider each class is of 'x' duration
4x + (4×3) = 180
4x + 12 = 180
4x = 168
x = 42
so each class is of 42 min
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