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.

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1 year ago

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On a certain hot summer's day, 182 people used the public swimming pool. The daily prices are $ 1.75 for children and $ 2.25 fo

galben [10]

Set up a systems of equations where x equals the number of children and y equals the number of adults
(≈ is being used as an equal sign)
x + y≈ 182
1.75x + 2.25y ≈ 346.50
solve for x and then plug that back in to get the value for y
check your work by plugging both back into one of the original equations

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3 years ago