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Frank purchased 10 gallons of gas for $21.50. What is the constant of proportionality that relates the cost in dollars, y, to the number of gallons,x?
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Frank purchased 10 gallons of gas for $21.50. What is the constant of proportionality that relates the cost in dollars, y, to the number of gallons,x?

User Vesperknight
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1 Answer

8 votes
it’s 2.15, reason being is cause 21.50 divided by 10 shows how much each gallon cost
User WiseOlMan
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