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A picture frame has a perimeter of 100 cm. Its width is 4 cm less than twice its length. What is the width of the
picture frame?
18 cm
32 cm
48 cm
50 cm

Respuesta :

900306528

Answer:

32cm

Step-by-step explanation:

2l + 2w = 100

l + w = 50 . . . (1)

w = 2l - 4 . . . (2)

l + 2l - 4 = 50

3l - 4 = 50

3l = 50 + 4 = 54

l = 54/3 = 18

w = 2(18) - 4 = 36 - 4 = 32

Therefore, the width of the picture frame is 32 cm.

Answer:

b. 32

Step-by-step explanation:

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