The correct expression for the inverse proportion is k/7 = 3/1
Inverse proportions
Given the inequality xy = k
If y is inversely proportional to x, then;
y = k/x
Given that y = 3, and x = 7, then;
3 = k/7
Swap
k/7 = 3
k/7 = 3/1
Hence the correct expression for the inverse proportion is k/7 = 3/1
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