Posted by Anonymous on Sunday, April 4, 2010 at 10:17pm.
the width of a retangle is fixed @30 cm. what lengths will make the perimeter greater than 78 cm?

algebra  Ms. Sue, Sunday, April 4, 2010 at 10:21pm
P = 2L + 2W
This question doesn't make much sense. Lengths are longer than widths. Yet 2*30 = 60  which is much more than half the perimeter.