What is my best gasoline option?

Jason Kibbe, 6-8 Gifted Support Teacher in Chambersburg, PA, sent us this timely investigation.

Should I pay the membership fee and get BJ's gasoline?  Should I just buy the cheaper gas at Sheetze? Students figure out the best deals with a membership fee, a loyalty credit card, or just the cheapest gas around. They create linear equations and find out for which amounts of gas would cost differences be the greatest and for which amounts of gas would costs be the same. And more ...

The activity: Kibbe'sGasCost.pdf


For members we have an editable Word docx and Jason's solutions.

Kibbe'sGasCost.docx       Kibbe'sGasCost-solution.pdf

For entertainment or enrichment, let your class listen to Shaquille O'Neal's thoughts on not spending too much money at the gas pump and enjoy the discussion.

Shaquille O'Neal, Charles Barkley, Kenny Smith and Ernie Johnson


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