Answer:
c 1.6
Explanation:
The constant of proportionality is what determines the relationship between y and x. If r is the constant of proportionality then an example is y = rx . The value of y is dependant on how the given value of x is effected by the constant of proportionality.
B, 0.625
The constant of proportionality is y/x
from the equation y = kx -> y/x = k
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