SOLUTION: a rectangle has a perimeter of 320 meters and its length is 3 times the width. Find the dimensions of the rectangle
Algebra.Com
Question 1072442: a rectangle has a perimeter of 320 meters and its length is 3 times the width. Find the dimensions of the rectangle
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
2Length+2Width = Perimeter
2L+2W = 320
and
L = 3W
---------------------------
2(3W)+2W = 320
6W+2W = 320
8W = 320
W = 40
and
L = 3(40) = 120
---------------------------
Check:
2(120)+2(40) = 320
240+80 = 320 Correct
:
John
RELATED QUESTIONS
The length of a rectangle is 2 meters more than 3 times its width and its perimeter 64.... (answered by Fombitz)
the length of a rectangle is 6 meters more than 3 times it width. If the perimeter of the (answered by checkley77)
The perimeter of a rectangle is 120 meters. Its length is 3 times its width. Find the... (answered by solver91311)
The length of a rectangle is 5 times its width. The perimeter of the rectangle is at most (answered by josgarithmetic)
The perimeter of a rectangle is 12 meters. Its length is twice its width. Find the... (answered by checkley77)
the length of a rectangle is 7 meters more than 4 times its width. the perimeter is 146... (answered by Maths68)
A rectangle has a perimeter of 56cm. The length is 4 less than 3 times width. Find its... (answered by MathLover1)
the width of a rectangle is 3 meters greater than two times its length. the perimeter of... (answered by ewatrrr)
Find the dimensions of the rectangle that has a length of 3 meters more than its width... (answered by josgarithmetic,lwsshak3)