Asked by Shiyou

The area of a rectangular garden is 420sq.cm. its length is one less than thrice its width. what are the dimensions of the rectangular garden?

Answers

Answered by Ms. Sue
A = LW
420 =(3w -1) * w


Are you sure the area of the garden is 420 centimeters? That would make the length about the length of my forearm and hand and the width about the length of my hand.

Answered by R_scott
L = 3 W - 1

w * (3 w - 1) = 420 ... 3 w^2 - w - 420 = 0

solve the quadratic for w

substitute back to find L
Answered by Reiny
Must be a garden for a doll house:
12 cm by 35 cm.
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