8
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Factor pairs of 16 are 1 and 16, 2 and 8, and 4 and 4.
None. 2 pairs = 2*2 people So 4 rows of 2 pairs = 2*2*4 = 16 people. You have only 8.
2 and 14
There are an infinite number of pairs that do. The graph of that equation is a straight line, and every point on the line satisfies the equation. There are an infinite number of points on a line. Here are a few of them: x= -3, y= -24 x= -2, y= -16 x= -1, y= -8 x= 0, y= 0 x= 1, y= 8 x= 2, y= 16 x= 3, y= 24 x= 5.194, y= 41.552 x= 792, y= 6,336
10000