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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
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
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Mathematics
5 years
2021-08-10T17:29:55+00:00
2021-08-10T17:29:55+00:00 2 Answers
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Answers ( )
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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