3 years ago

I really need help (the picture of the problem is attached, you must zoom out)

1 answer:

7 0

If the entire class lasts 7/8 of an hour, then it lasts 52.5 minutes as:

60/8 * 7 = 52.5mins or 52min 30secs

a) Then warm up and cool down lasts 3/10 of the class so this is:

52.5/10 * 3 = 15.75mins or 15min 45secs

b) Instruction is 1/5 of the class so 4/5 is not spent on instruction so:

52.5 / 5 * 4 = 42mins

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