Posted by kit kat on Sunday, December 4, 2011 at 2:29pm.
the perimeter of a rectangle is 68cm. the length is 2cm less than 3 times the width. find the length and width.

algebra 1  Henry, Sunday, December 4, 2011 at 3:35pm
P = 68 cm.
Width = xcm.
Length = (3x  2).
P = 2x + 2(3x2) = 68 cm,
2x + 6x  4 = 68,
8x = 72,
X = 9cm.
3x  2 = 3*9  2 = 25cdm.
Answer This Question
Related Questions
 basic geometric  10. a rectangle has width the same as a side of a square whose...
 geometric  The perimeter of a rectangular carpet is 70feet. The with is three ...
 basic geometry  A rectangle has width the same asa a side of a square whose ...
 Math  The length of a rectangle is 2cm less than 7 times the width the ...
 Math  The length of a rectangle is 2cm less than 7 times the width the ...
 Math  The length of a rectangle is 5 inches less than 3 times the width. The ...
 algebra  The width of a rectangle is three fourths the length. The perimeter of...
 maths  the length of a rectangle is 3 less than 5 times its width. Write a ...
 algebra  The length of a rectangle is 6 cm more than four times the width. If ...
 algebra 1  The length of a rectangle is three less than four times its width. ...
More Related Questions