SOLUTION: Alice is planning a rectangular garden. Its length is 3 ft less than twice its width. Its area is 170ft squared. Find the dimensions.
Algebra ->
Rectangles
-> SOLUTION: Alice is planning a rectangular garden. Its length is 3 ft less than twice its width. Its area is 170ft squared. Find the dimensions.
Log On
Question 450854: Alice is planning a rectangular garden. Its length is 3 ft less than twice its width. Its area is 170ft squared. Find the dimensions. Answer by jorel1380(3719) (Show Source):
You can put this solution on YOUR website! n(2n-3)=170
2n2-3n=170
2n2-3n-170=0
(2n+17)(n-10)=0
n=-17/2 or 10
Throwing out the negative answer, we get the width to be 10ft., and the lenght to be 17ft..
