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The scale of a map is 2cm to 1km. what is the distance between town "a" and town "b" in km when the distance is 20cm

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2 answers

  1. if 2 cm represents 1km
    then 1 cm represents 1/2 km
    and 20 cm represents 20(1/2) km or 10 km

    or

    2/1 = 20/x
    cross multiply:
    2x = 20
    x =10

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  2. If the scale of map is 2cm to 1km, what is the ground distance if the distance between two town is to 1ocm

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