A student has to take twelve hours of classes a week. Due to her extracurricular activities, she must take at least three hours of classes on Monday, at least two on Tuesday, and at least one on Friday. In how many ways can she do this

Question

Mathematics

Jesse Faulkner

11 May, 12:32

A student has to take twelve hours of classes a week. Due to her extracurricular activities, she must take at least three hours of classes on Monday, at least two on Tuesday, and at least one on Friday. In how many ways can she do this

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Answers (1)

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Park · Answer 1

12 ways

Step-by-step explanation:

She needs to take 12 hours of classes a week.

Monday 3 hours = 3! = 3*2*1=6

Thursday 2 hours/2! = 2*1 = 2

Friday 1 hour = 1! = 1 * 1 = 1

Total number of ways = 6*2*1 = 12 ways