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The scatterplot above shows the numbers of grams of both total protein and total fat for eight sandwiches on a restaurant menu. The line of best fit for the data is also shown. According to the line of best fit, which of the following is closest to the predicted increase in total fat, in grams, for every increase of 1 gram in total protein?

A) 2.5

B) 2.0

C) 1.5

D) 1.0

**Comments**

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The predicted increase in total fat, in grams, for every increase of 1 gram in total protein is represented by the slope of the line of best fit

slope = (y_{2} - y_{1}) / (x_{2} - x_{1})

slope = (20 - 50) / (10 - 30)

= -30 / -20

= 1.5

**Ans C**

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