SOLUTION: The length of a rectangle is 3 times it's width. It's perimeter is 120 feet. Find it's area.
Algebra.Com
Question 447408: The length of a rectangle is 3 times it's width. It's perimeter is 120 feet. Find it's area.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Perimeter = 120
Length 3x
Width =x ft
Perimeter =2(3x+ x)
120=8x
x= 15 ft Width
Length =45
Area = L*W
Area = 675 sq. ft
m.ananth@hotmail.ca
RELATED QUESTIONS
The length of a rectangle is 4m longer than it’s width. If the perimeter of the rectangle (answered by MathLover1,Alan3354)
The length of a rectangle is eight more than twice it's width. The perimeter is 88 feet.... (answered by ikleyn)
The length of a rectangle 7'less than 3 times it's width and the perimeter is 146'. What... (answered by CubeyThePenguin)
The length of a rectangular sign is 5 feet longer than the width. If the sign’s area is... (answered by lwsshak3)
The length of a rectangle is three times its width. It's perimeter is 80 m. What are the... (answered by CubeyThePenguin)
The length of a rectangular piece of land is 64 yards more than two times it’s width. The (answered by ikleyn,Alan3354)
The length of a rectangular piece of land is 90 yards more than three times it’s width.... (answered by josgarithmetic)
Stuck on my last study guide question and quit can’t figure out the solution. The length... (answered by josgarithmetic,Alan3354)
If a rectangle has a perimeter of 206 ft, and the length is 2 less than 6 times it's... (answered by CubeyThePenguin)