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a gardener wants to design a rectangular garden so that the length would be nine feet more than the width. the sum of the length and width is 15 feet. how long should each measurement be?

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Answer:

  • width: 3 ft
  • length: 12 ft

Step-by-step explanation:

Let w represent the width. Then the length is w+9, and the sum of length and width is ...

  w +(w+9) = 15

  2w = 6 . . . . . . . subtract 9

  w = 3 . . . . . . . . divide by 2

  w+9 = 12 . . . . . find the length

The width should be 3 feet; the length should be 12 feet.

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