The answer is 5 x -3 + 4 x 2 / 2 = -15 + 8 / 2 = -11
No, 3/4 is equivalent to 6/8 and 7/8 is in its final form
How many bags he uses per customer
6 bags per customer
<span><span>Each time
we add a side (triangle to quadrilateral, quadrilateral to pentagon, etc), we </span>add
another 180°<span> to the total of the
interior angle.</span></span>
Triangle,
sum interior angle is 180
Square,
is 360
Pentagon is
540
So the
formula is
<span>180 ( n –
2 )</span>
