A road measuring 400km was drawn to the scale of 1:10000000. Determine the drawing length of the road in centimetres.

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Step 1: Convert the actual length to centimeters

1km = 1,000m = 1,000,000cm

So

400km = 400,000m = 40,000,000cm

Step 2: Apply the scale

Drawing length = Actual length

                                    Scale

= 40,000,000

   10,000,000

= 4 cm

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