Question

A furniture manufacturer offers bookcases in 5 different sizes and 3 different colors. If every color is available in every size, then the total number of different bookcases is

Answer 1

we are given

A furniture manufacturer offers bookcases in 5 different sizes

so, number of bookcases of different size =5

A furniture manufacturer offers bookcases in  3 different colors

so, number of bookcases of different colors =3

since, every color is available in every size

so,

total number of different bookcases=(number of bookcases of different size)*(number of bookcases of different colors)

now, we can plug values

and we get

total number of different bookcases=5*3

So, total number of different bookcases is 15 ............Answer