Respuesta :

nooris0663

Answer:

0.3

Step-by-step explanation:

The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.

Answer:

Constant of proportionality = 0.3.

Step-by-step explanation:

This will be the slope of the line:

= (6 - 1.5) / (20-5)

=  4.5/15

= 0.3.

The equation of the line is y = 0.3x where 0.3 is the constant proportionality.

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