Question

a scale drawing has scale 1:20. in real life the length of a boat is 150m what is the length of the boat on the scale drawing. Answer in centimetres

Answer 1

To find the size of the scale, we must divide its size by 20 (because the scale is 1:20). Doing that we get 150/20=7.5m=750cm. Hope this helps!

Answer 2

To find this out, we must divide the real object by 20 (Because the scale is 1:20)

150/20 = 7.5

7.5 is still in meters, so we must put in it centimeters:

7.5 x 100 = 750 cm  (Multiply by 100) 

So the scale drawing is 750 centimeters.

Hope this helps!