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math

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A troop of boy scouts hiked to a camp in the woods for supper.They returned home by a apth across lots,whih was two and a half miles shorter than the road which they went.the scout master said that they had walked 7 miles in all.how many miles they walked before supper?

  • math -

    L is length to supper.
    L-2 is the length home.
    7=L + L-2
    solve for L

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