Rosa has a goal of running a total of 100 miles this month. Each day that she ran, she ran 5 miles. Which expression could Rosa use to determine how many miles she has left to run after running for d days? A. 100 -5d B 5d+100 c.5d 100/5d
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A. 100 - 5d
100 is total miles and 5d is the number of miles she ran in d days.
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