Question on: JAMB Mathematics - 2017
y is inversely proportional to x and y and 6 when x = 7. Find the constant of the variation
A
47
B
42
C
54
D
46
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Correct Option: B
Y ∝ \(\frac{1}{2}\)
Y = 6, X = 7
Y = \(\frac{k}{x}\) where k is constant
6 = \(\frac{k}{7}\)
k = 42
Y = 6, X = 7
Y = \(\frac{k}{x}\) where k is constant
6 = \(\frac{k}{7}\)
k = 42
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