# calculus

In a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes.

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1. g = m t + b

m = (17-8)/(47-28) = .4737
so
g = .4737 t + b

8 = .4737 (28) + b
so
b = -5.263
so
g = 0.4737 t - 5.263

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