The length of the rectangular garden is three feet less than twice its width. if the perimeter is 42 feet, what is its length?

13 feet

Step-by-step explanation:

Define x :

Let the width be x.

Width = x

Length = 2x - 3

Perimeter Formula :

Perimeter = 2 (Length + Width)

FInd Width :

42 = 2 (x + 2x - 3) 

42 = 2(3x - 3)

42 = 6x - 6

48 = 6x 

6x = 48

x = 8 feet

Find Length :

Length = 2x - 3 = 2(8) - 3 = 13 feet

The length is 13 feet.

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.

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