Asked by caitlin

You are using 0.05 gallons per mile of a SUV gas tank that holds 16 gallons. Note: this equation has a negative slope (m). Use x-values: 0, 160, and 320. I think the problem should be y=.05x+16 Confused since the teacher says it has a negative slope.
Answered by Steve
If you are computing the volume of gas in the tank vs miles driven, then naturally as the miles go up, the gas goes down.

Try y = 16 - .05x
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