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The distance 'y' traveled in miles by the Chang family in 'x' hours is represented by the equation y=55x . Identify the constant of proportionality. Then explain what it represents.
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VenusRetrograde
Answer=55

55 is the constant of proportionality in the equation. The 55 represents the number of miles the Chang family can travel in one hour.

We know that 55 is the constant of proportionality by the following formula.
y=kx (where k is the constant of proportionality)

so in the equation given...

y=55x  

k=55=the constant of proportionality