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Sam used 2 gallons of gas to drive 50 miles and 4 gallons of gas to drive 100 miles. Is this a proportional relationship? Explain your reasoning.
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Sam used 2 gallons of gas to drive 50 miles and 4 gallons of gas to drive 100 miles. Is this a proportional relationship? Explain your reasoning.

User Patrik Csak
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yes because the unit rate is 25 miles per gallon. both of these ratios simplify down to that unit rate. since they simplify down to the same unit rate, they are proportional
User Jemolah
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