In a workshop there are 4 kinds of beds, 2 kinds of closets, 2 kinds of shelves and 7 kinds of chairs. In how many ways can a person decorate his room if he wants to buy in the workshop one shelf, one bed and one of the following: a chair or a closet?  Choose the correct choice
A) 72. B) 80. C) 56. D) 48. E) 16.
Bed = Select 1 out of 4 = 4C1 = 4   Shelf = Select 1 out of 2 = 2C1= 2   Chair (7)+ Closet (2) = Total 9 = Select 1 out of 9 = 9C1   Possible combinations to chooseBED*SHELF*(CH72.IR+CLOSET)=4*2*9= 
<gadget id="calculator">4*2*9</gadget>
<output>72</output>
72 ways   72.NSWER IS 72.
<result>A</result>
In a workshop there are 4 kinds of beds, 2 kinds of closets, 2 kinds of shelves and 7 kinds of chairs. In how many ways can a person decorate his room if he wants to buy in the workshop one shelf, one bed and one of the following: a chair or a closet?