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Jessica is deciding on her schedule for next semester. She must take each of the following classes: English 101, Spanish 102, Biology 102, andCollege Algebra. If there are 15 sections of English 101,9 sections of Spanish 102, 13 sections of Biology 102, and 15 sections of College Algebra,how many different possible schedules arethere for Jessica to choose from? Assume there are no time conflicts between the different classes.Keypad

Sagot :

Jessica must take four classes: English, Spanish, Biology, and College Algebra.

There are:

15 sections of English

9 sections of Spanish

13 sections of Biology

15 sections of College Algebra.

She has 15 possible choices for English class. Once selected, she has 9 choices for Spanish class.

There is a total of 15*9 = 135 possible schedules for both subjects.

When we combine this with the rest of the classes, we find a total of:

15*9*13*15 = 26,325 possible schedules, assuming there are no time conflicts between them.

Answer: 26,325