SOLUTION: the perimeter of the pool is 36. twice the lenth is 4m more then three times the width. what are the dimensions of the pool. the lenght is 11.6 and width is 6.4 but i have no ide

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: the perimeter of the pool is 36. twice the lenth is 4m more then three times the width. what are the dimensions of the pool. the lenght is 11.6 and width is 6.4 but i have no ide      Log On

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Question 416077: the perimeter of the pool is 36. twice the lenth is 4m more then three times the width. what are the dimensions of the pool.
the lenght is 11.6 and width is 6.4 but i have no idea how to get that
answer in full please
Found 2 solutions by rfer, MathLover1:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2w+2((3w+4)/2))=36
2w+3w+4=36
5w=32
w=6.4
--------------
(3w+4)/2=11.6

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

given:
the perimeter P of the pool is 36m
P=36
twice the length 2L is 4m more then three times the width 3W
2L=3W%2B4m...->....L=%283W%2B4m%29%2F2
P=2%28L%2BW%29
36m=2%28%283W%2B4m%29%2F2%2BW%29
36m=2%283W%2B4m%29%2F2%2B2W
36m=cross%282%29%283W%2B4m%29%2Fcross%282%29%2B2W
36m=3W%2B4m%2B2W
36m=5W%2B4m%29
36m-4m=5W%29
32m+=5W%29
32m%2F5+=W%29

6.4m+=W%29

L=%283W%2B4m%29%2F2
L=%283%2A6.4%2B4m%29%2F2
L=%2819.2%2B4m%29%2F2
L=%2823.2m%29%2F2
L=11.6m

P=2%2811.6m%2B6.4m%29

36m=2%2818m%29
36m=36m