Math

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Jun-Jee either ran 5 or 7 miles each day for 30 consecutive days. His total mileage during this period was 166>

How many days did he run 5 miles?
How many days did he run 7 miles?

  • Math -

    number of days he ran 5 miles --- x
    number of days he rans 7 miles --- 30-x

    5x + 7(30-x) = 166

    solve for x , then sub in the original definitions

  • Math -

    Thank you so much !!!!

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