Asked by Anonymous
the area of a rectangular garden is 120 square meters. the width is 3 meters longer than 1/3 of the length. find the legth and the width of the garden.
Answers
Answered by
Reiny
length --- x
width ---- x/3 + 3
x(x/3 + 3) = 120
x^2/3 + 3x - 120 = 0
x^2 + 9x - 360 = 0
(x-15)(x+24) = 0
x = 15 or x = -24, but x > 0
the length is 15
width = 15/3 + 3 or 8
check (8)(15) = 120
3 more than 1/3 of 15 gives us 8
width ---- x/3 + 3
x(x/3 + 3) = 120
x^2/3 + 3x - 120 = 0
x^2 + 9x - 360 = 0
(x-15)(x+24) = 0
x = 15 or x = -24, but x > 0
the length is 15
width = 15/3 + 3 or 8
check (8)(15) = 120
3 more than 1/3 of 15 gives us 8
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.