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    dndooon's Avatar
    dndooon Posts: 1, Reputation: 1
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    #1

    May 19, 2011, 07:34 AM
    Find ratio
    A scale of 2cm to 1.2km is used for a map.
    1.find the map ratio
    2.if the distance between two tourrs is 6km what is the length reprecented on the map?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    May 19, 2011, 09:58 AM

    (a) The ratio is obtained by:

    scale length : actual length

    Be sure that the units are the same, and by that I mean, if the scale length is measured in m, the actual length should also be measured in m.

    (b) Here, you have to use the ratio you found in (a), or you use proportions using what you are given. If you try the latter, then do like this:

    1.2 km => 2 cm
    1 km => (2/1.2) cm
    6 km => ? Cm
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