The Paradox Of Environmentalism

Algebra Level 3

Consider 2 car owners who seek to reduce the cost of buying gas. Suppose that they have to travel equal distances over a year:

Adam - Switches from a gas-guzzler of 12 mpg to a slightly less voracious guzzler that runs at 14 mpg
Beth - Switches from a virtuous 30 mpg to a hybrid car that runs at 40 mpg

Who would save more gas (and hence money) by switching?


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