Use the counting principle to obtain the answer.
-At a lumber company that sold shelves, a customer could choose from 3 types of wood, 4 different Widths and 5 different lengths. How many different types of shelves could be ordered?
A) 35
B) 60
C) 36
D) 12

Question

Use the counting principle to obtain the answer.
-At a lumber company that sold shelves, a customer could choose from 3 types of wood, 4 different Widths and 5 different lengths. How many different types of shelves could be ordered?
A) 35
B) 60
C) 36
D) 12

Quizplus · Accepted Answer

The counting principle states that if there are $n$ ways to do one thing, and $m$ ways to do another, then there are $n \times m$ ways to do both. Here, there are 3 types of wood, 4 widths, and 5 lengths, so the total number of different types of shelves is $3 \times 4 \times 5 = 60$.

Use the Counting Principle to Obtain the Answer. -At a Lumber Company That Sold Shelves, a Customer Could