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OpenStudy (anonymous):
A rectangle has a length of 18 cm and a perimeter of 68 cm. Which equation could be used to find the width of the rectangle? A. w + 18 = 68 B. 18w = 68 C. 2w + 18 = 68 D. 2w + 36 = 68
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OpenStudy (ddcamp):
\[P = 2w + 2l\] Inserting the values we know (P = 68, l = 18), we get \[68 = 2w + 2 \times 18 \\ 68 = 2w + 36\]
OpenStudy (anonymous):
thank you :)
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