Question

Which situation requires the multiplication counting principle?


A.
How many ways can you choose a book from a shelf when there are 7 fiction and 8 nonfiction books on it?


B.
How many ways can you buy a computer when there are 5 desktop models and 4 laptop models?


C.
How many ways can you make a cheese sandwich when there are 3 types of bread and 4 types of cheese?


D.
How many ways can you watch a movie when there are 6 comedies and 4 science fiction movies available?

Answer 1

C

Answer 2

because you need both ingredients to make the sandwich... the other groups involve just choosing "one" type from 2 different types... But the sandwich requires you to take 1 of each type

Answer 3

thanks! thats what i thought

Answer 4

np

Answer 5

can you help me with another?