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Joined: Thu Mar 14, 2019 10:59 am
Posts: 16
A map has scale of 1:40000
What real distance on the map represents 19km?

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Joined: Fri Mar 10, 2017 5:06 pm
Posts: 682
19000 metres /40000 = 0.475 metres = 47.5 cm

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Joined: Thu Mar 14, 2019 10:59 am
Posts: 16
Thank u

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Joined: Tue Jul 16, 2013 12:27 pm
Posts: 292
I would do it as :

1 : 40000

so 1cm = 40,000cm

so 1cm = 400m

so 1 cm = 0.4km

so to make the numbers easy, 2.5cm = 1km.

You have to times both sides by the same amount, so to get to 19km on the right side you have to multiply it by 19, meaning you have to multiply the left hand side by 19 too. 2.5 x 19 = 38 + 9.5 = 47.5cm

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