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maths

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if 2 cm on a map is 50 kms what is 8.5 cms on a map...how many kms ???

  • maths - ,

    use a straightforward proportion

    2 cm/50 km = 8.5 cm / x km
    2x = 42.5
    x = 21.25

    8.5 cm on the map represent 21.25 km

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