timothy83 timothy83

17-12-2018
Mathematics

contestada

the length of a rectangle is 3 more than twice the width.the perimeter of the rectangle is 42.find the dimension

Respuesta :

freya675 freya675

26-12-2018

Answer:

The dimensions are 15 x 6

Step-by-step explanation:

Length (L) Width (W)

Perimeter = (W x 2) + (L x 2)

L = (W x 2) + 3

L x 2 = (W x 4) + 6

42 - 6 = 36

36 ÷ 6 = 6

6 x 2 + 3 = 15

Perimeter = (6 x 2) + (15 x 2) = 42

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