SOLUTION: The area of a rectangular lawn is 1350 square feet. If the length of the lawn is 21 feet less than thrice it’s width, find the dimensions of the lawn

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Question 1096889: The area of a rectangular lawn is 1350 square feet. If the length of the lawn is 21 feet less than thrice it’s width, find the dimensions of the lawn
Found 2 solutions by josgarithmetic, jorel1380:
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Dimensions 3w-21 and w;
w%283w-21%29=1350

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let w and 3w-21 be the width and the length of the lawn, respectively. Then:
w(3w-21)=1350
3w²-21w-1350=0
w²-7w-450=0
(w+ 18)(w-25)=0
w=25 or -18
The lawn is 25' by 54'
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