Mai spends 7 3/5 hours in school each day. Her lunch period is 30 minutes long, and she spends a total of 42 minutes switching rooms between classes. The rest of her day is spent in 6 classes that are all the same length. How long is each class?

The each class is 64 minutes or 1 hour 4 minutes long.

Step-by-step explanation:

1 hour = 60 minutes.

Time spent in 6 classes :

Time spent in 6 classes = Total time - (lunch period + switching classes)

⇒ 456 - (30+42)

⇒ 456 - 72

⇒ 384 minutes.

The Time for each of 6 classes :

Time for each class = Time spent for all 6 classes / 6

⇒ 384/6

⇒ 64 minutes.

⇒ 1 hour 4 minutes.

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step-by-step explanation:

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