SOLUTION: The rectangle has a perimeter of 78 centimeters.the length of the rectangle is 11 centimeters longer than triple the width. Find the demensions of the rectangle

Algebra.Com
Question 15384: The rectangle has a perimeter of 78 centimeters.the length of the rectangle is 11 centimeters longer than triple the width. Find the demensions of the rectangle
Answer by rapaljer(4671)   (Show Source): You can put this solution on YOUR website!
Let x = width
3x +11 = length

2(x) + 2(3x+11) = 78
2x + 6x + 22 = 78
8x + 22 = 78
8x + 22 - 22 = 78 - 22
8x = 56
x= 7 Width
3x+11 = 3(7) + 11 = 32 Length

Check:
2(7) + 2(32)= 78
14 + 64 = 78
It checks!

R^2 at SCC

RELATED QUESTIONS

A rectangle has a perimeter of 78centimeters. The length of the rectangle is 11... (answered by praseenakos@yahoo.com)
A rectangle has a perimeter of centimeters.The length of the rectangle is 11 centimeters... (answered by rapaljer)
The perimeter of a rectangle is 78 meters. The length of the rectangle is 11 meters... (answered by Fombitz)
a rectangle has a perimeter of 78 meters. the lenth is 11 meters longer than triple the... (answered by Paul)
The length of a rectangle is three more than twice the width. The perimeter is 78... (answered by algebrahouse.com)
A rectangle has a diagonal that measures 10 centimeters and a length that is 2... (answered by checkley77)
A rectangle has a diagonal that measures 10 centimeters and a length that is 2... (answered by checkley77)
The length of a rectangle is 50 centimeters longer than the width. If the perimeter of... (answered by algebrahouse.com)
The length of a rectangle is 4 centimeters longer than the width of the rectangle. The... (answered by fractalier)