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This year, athletes runners crossed the finish line at the Dayton Marathon. According to the organizers' records, that is lower than last year. How many runners finished the marathon last year?____ athletes
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Q. This year, athletes runners crossed the finish line at the Dayton Marathon. According to the organizers' records, that is lower than last year. How many runners finished the marathon last year?____ athletes
- Understand the problem: Step : Understand the problem and set up the equation.We know that this year's number of runners is less than last year's. Let's denote last year's number of runners as . The equation is:
- Set up the equation: Step : Solve for .Divide both sides by to isolate :
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