Pre-algebra

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Jack runs 275 miles per day during soccer season. He has already run 25 miles this morning. He plans to run 2.5 miles each day. What is the fewest number of days he will need to reach his goal?

  • Pre-algebra -

    in n days, he runs 2.5n miles
    he has already run 25 miles

    so, after n more days, he will have run

    25 + 2.5n miles

    If that totals 275 moles, then

    25 + 2.5n = 275
    2.5n = 250
    n = 100

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