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2 answers:
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Answer:
1/2
Step-by-step explanation:
Given
x 2 4 6 8
y 1 2 3 4
Required
Determine the constant of proportionality (k)
The relationship between x and y is:
When y = 2, x = 4;
So, we have:
Make k the subject
Hence, the constant of proportionality is 1/2