SOLUTION: The ratio of length to width in a rectangle is 3 to 1. If the perimeter of the rectangle is 128 feet, what is the length of the rectangle?

Question 847928: The ratio of length to width in a rectangle is 3 to 1. If the perimeter of the rectangle is 128 feet, what is the length of the rectangle?
Found 2 solutions by Fombitz, ewatrrr:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Also,

Substitute,

Then

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,

P = 2l + 2w = 128ft 0r l + w = 64
Let x represent the length of the rectangle
| Cross Multiplying to solve for x
4x = 192ft
x = 48ft, the length of the rectangle

RELATED QUESTIONS
The ratio of length to width in a rectangle is 3 to 1. If the perimeter of the rectangle... (answered by MathLover1)
The ratio of length to width in a rectangle is 5 to 3. If the perimeter of the rectangle... (answered by amarjeeth123)
In a rectangle, the ratio of the width to length is 3:4. If the perimeter is 42. What is... (answered by Maths68)
The perimeter of a rectangle is 40 feet. The ratio of the width to the length is 2:3.... (answered by ewatrrr)
The ratio of length to width in a rectangle is 3 to 1. If the perimeter of the rectangle (answered by josmiceli,jim_thompson5910)
what is the length and width of a rectangle with a perimeter of 135 feet. the ratio of... (answered by JulietG)
The ratio of width to length in a rectangle is 3:8. If the length of the rectangle is 20... (answered by dudeantariksh)
[the perimeter of a rectangle measures 34 feet. Its width measures 5. What is the ratio... (answered by Sam32399,TimothyLamb)
The perimeter of a rectangle is 154 feet. The ratio of the length to the width is 10:1.... (answered by ewatrrr)