A certain office supply store stocks 2 sizes of self-stick notepads, each in 7 colors. The store packs the notepads in packages that contain either 3 notepads of the same size and the same color or 3 notepads of the same size and of 3 different colors. If the order in which the colors are packed is not considered, how many different packages of the types described above are possible?  Options
A) 6	B) 8	C) 16	D) 84	E) 92
Notepads of the same color = 7 (we have 7 colors). As we have two sizes then total for the same color=7*2= 
<gadget id="calculator">7*2</gadget>
<output>14</output>
14   Notepads of the different colors= 7C3=35 (we should choose 3 different colors out of 7). As we have two sizes then total for the different color=35*2= 
<gadget id="calculator">35*2</gadget>
<output>70</output>
70   Total=70+14= 
<gadget id="calculator">70+14</gadget>
<output>84</output>
84   Answer: 84.
<result>D</result>
A certain office supply store stocks 2 sizes of self-stick notepads, each in 7 colors. The store packs the notepads in packages that contain either 3 notepads of the same size and the same color or 3 notepads of the same size and of 3 different colors. If the order in which the colors are packed is not considered, how many different packages of the types described above are possible?