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Pearson Algebra 1 Common Core, 2011 View details

1. Inequalities and Their Graphs

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Exercise 38 Page 168

At least is the same as more than or equal to.

Variable: s
Inequality: s≥475

Practice makes perfect

To write the inequality, let s represent the number of students who attended the orchestra concert. If there were at least 475 students at the concert, s must be greater than or equal to 475. s ≥ 475