If you think of this in the way of a pizza, would you rather eat 1 slice or a half of the pizza if the pizza is cut into 6 slices. Since 4/8 is equal to 1/2, it is also equal to 3/6. Therefore, 1/6 is less than 4/8.
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How much bigger is B than A , so Side length B- A = (-4x+18) - (2x-7) = -6x+25 So perimeter = 4x length = 4x(-6x+25) = -24x+100 = 100-24x How much bigger? 100-24X