2×2=4 ( for one face)
so there r 6 faces = 6×4=24 square inches
3x=2(5x-1)=11
3x=10x-2=11
-10x -10x
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-7x=-2=11
+2 +2
------------------
-7x=13
----- ------
-7 -7
x= -1.9
The number of combinations is the product of the number of choices for each selection...
c=11*10*49*48*47*46=559,352,640
