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11 Dec 2019, 02:57
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
88% (01:23) correct
12%
(01:49)
wrong
based on 59
sessions
History
Date
Time
Result
Not Attempted Yet
If \(\frac{3x}{2} = \frac{5}{7y}\) and \(\frac{3y}{5} = \frac{a}{x}\), what is the value of a?
A. 1/7
B. 2/7
C. 3/7
D. 4/7
E. 5/7
A. 1/7
B. 2/7
C. 3/7
D. 4/7
E. 5/7
11 Dec 2019, 21:27
Kudos
Bookmarks
Bunuel
\(\frac{3x}{2} = \frac{5}{7y}......\frac{3x*7y}{2*5}=1.........\)\(\frac{3y}{5} =\frac{2}{7x} =\frac{a}{x}\).
So a=2/7
