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22 Mar 2022, 08:00
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
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Question Stats:
98% (00:19) correct
2%
(01:03)
wrong
based on 48
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If \(\frac{1}{7b}=\frac{1}{6}\), then b =
A. \(\frac{1}{42}\)
B. \(\frac{6}{7}\)
C. \(\frac{7}{6}\)
D. \(7\)
E. \(42\)
A. \(\frac{1}{42}\)
B. \(\frac{6}{7}\)
C. \(\frac{7}{6}\)
D. \(7\)
E. \(42\)
22 Mar 2022, 08:10
Kudos
Bookmarks
Bunuel
If \(\frac{1}{7b}=\frac{1}{6}\), then b =
A. \(\frac{1}{42}\)
B. \(\frac{6}{7}\)
C. \(\frac{7}{6}\)
D. \(7\)
E. \(42\)
A. \(\frac{1}{42}\)
B. \(\frac{6}{7}\)
C. \(\frac{7}{6}\)
D. \(7\)
E. \(42\)
Given: \(\frac{1}{7b}=\frac{1}{6}\)
Cross multiply to get: \((1)(7b) = (1)(6)\)
Simplify: \(7b = 6\)
Divide both sides by \(7\) to get: \(b = \frac{6}{7}\)
Answer: B
22 Mar 2022, 08:44
Kudos
Bookmarks
Bunuel
If \(\frac{1}{7b}=\frac{1}{6}\), then b =
A. \(\frac{1}{42}\)
B. \(\frac{6}{7}\)
C. \(\frac{7}{6}\)
D. \(7\)
E. \(42\)
\(7b = 6\)A. \(\frac{1}{42}\)
B. \(\frac{6}{7}\)
C. \(\frac{7}{6}\)
D. \(7\)
E. \(42\)
So, \(b = \frac{6}{7}\), Answer must be (B)
