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 Post subject: Please explain this questionPosted: Thu Mar 14, 2019 11:02 am

Joined: Thu Mar 14, 2019 10:59 am
Posts: 16
A map is drawn to a scale 1cm to 10km.
Find the actual distance represented by 54mm

Please explain how to solve this ?what steps are needed ?

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 Post subject: Re: Please explain this questionPosted: Thu Mar 14, 2019 11:16 am

Joined: Thu Oct 18, 2012 10:41 am
Posts: 482
Scale of 1cm to 10km

is the same as saying 10mm to 10km

if you know that 10mm represents 10km you can work out what 50mm represents.

Hope that helps

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 Post subject: Re: Please explain this questionPosted: Thu Mar 14, 2019 11:18 am

Joined: Sat Oct 01, 2016 6:02 pm
Posts: 1186
How would you express 54mm as centimetres?

If 1cm is 10km, what would 5cm be?

If 1cm is 10km, what would 1mm be? (1mm is one-tenth of 1cm.) What would 4mm be?

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 Post subject: Re: Please explain this questionPosted: Thu Mar 14, 2019 11:21 am

Joined: Mon Mar 04, 2019 11:49 am
Posts: 5
1cm = 10mm, so 54mm = 5.4 cm

If 1cm= 50 km so 5.4 cm =54 km

am I right?

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 Post subject: Re: Please explain this questionPosted: Thu Mar 14, 2019 11:24 am

Joined: Sat Oct 13, 2018 5:00 pm
Posts: 332
To work out what 54mm is, you need to know what 1mm is.
If 1cm represents 10km
Then:.10mm represents 10km
And:. 1mm represents 1km
So :. 54mm represents 54 x 1km
". ". 54 km

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 Post subject: Re: Please explain this questionPosted: Thu Mar 14, 2019 11:29 pm

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

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