Concept explainers
Concept Check The high school marching band fundraiser for uniforms requires that students find donors to pledge money based on the number of laps they run on the school track field. This year Miguel ran 2 more laps than Sam, and Alicia ran 4 fewer laps than Sam. The total laps completed by all three was 29.
Eduardo wanted to calculate the number of laps Alicia completed. To find this information, he let S represent the number of laps that Sam ran and then solved the equation
a. Did Eduardo use the correct equation? Why or why not?
b. How many laps did Miguel complete for the fundraiser?
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Prealgebra (6th Edition)
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