Question

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

Answer 1

b. 32

Explanation:

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Answer 2

32cm

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.