imjustcarl2007
imjustcarl2007 imjustcarl2007
  • 01-12-2020
  • Mathematics
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An 18-pound bag of dog food is $27. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of dog food, x ?

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anonymous12345678987
anonymous12345678987 anonymous12345678987
  • 01-12-2020
Constants of proportionality are involved with direct variation. Direct variation takes the form y = kx where y is the dependent variable; k is the constant of proportionality; and x is the independent variable. The formula for this problem is: 27 = k(18). When you divide both sides by 18, you find that k = 3/2.
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