y is inversely proportional to x and y and 6 wh... - JAMB Mathematics 2017 Question
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
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
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