Math Problem Statement
Use the equation from part a) to set up an inequality. Solve the inequality to find the number of years after 2015 in which the percentage will occur. Then use that value to find the year. The equation is s=-2.0t+33.6 We need to find which year the percentage of smokers will fall below 4%
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Inequalities
Formulas
s = -2.0t + 33.6
Inequality: -2.0t + 33.6 < 4
Theorems
Inequality rule: Dividing by a negative number reverses the inequality
Suitable Grade Level
Grades 8-10