Scientists are conducting an experiment with a gas in a sealed container. The mass of the gas is measured, and the scientists realize that the gas is leaking over time in a linear way.

Six minutes since the experiment started, the gas had a mass of 144 grams.

Fourteen minutes since the experiment started, the gas had a mass of 115.2 grams.

Let x be the number of minutes that have passed since the experiment started, and let y be the mass of the gas in grams at that moment. Use a linear equation to model the weight of the gas over time.

(a)This line’s slope-intercept equation is:

(b)34 minutes after the experiment started, there would be____grams of gas left.

(c)If a linear model continues to be accurate,____minutes since the experiment started, all gas in the container will be gone.

Six minutes since the experiment started, the gas had a mass of 144 grams.

Fourteen minutes since the experiment started, the gas had a mass of 115.2 grams.

Let x be the number of minutes that have passed since the experiment started, and let y be the mass of the gas in grams at that moment. Use a linear equation to model the weight of the gas over time.

(a)This line’s slope-intercept equation is:

(b)34 minutes after the experiment started, there would be____grams of gas left.

(c)If a linear model continues to be accurate,____minutes since the experiment started, all gas in the container will be gone.

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