Originally Posted by Prism99

Usually we cut fabric WOF (width-of-fabric), which is from one selvedge to the other (your WOF is 44 inches). So, you would be cutting 2-inch strips WOF. If the fabric is 44 inches wide, you can get only three 12-inch strips from the width-of-fabric. The rest is scrap. This calculation would be:
X*12 = 48
X= 48/12
X=3

You need 28 2x12-inch strips and you can get 3 per WOF. 28/3 = 9.33 so you would need 10 strips WOF to get 28 2x12-inch strips. (You would need only one 2x12-inch strip from that last WOF.)
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actually, using this formula, x = 4 (48 divided by 12 is 4)