The plan

The plan of the housing estate is on three scales 1:5000,1:10000,1:15000. The distance between two points on a plan with a scale of 1:10000 is 12 cm. What is this distance on the other two plans? What is this distance?

Correct answer:

x1 =  24 cm
x3 =  8 cm
s2 =  1.2 km

Step-by-step explanation:

m1=5000 m2=10000 m3=15000  x2=12 cm  s=x2 m2=12 10000=120000 cm  x1=s/m1=120000/5000=24 cm
x3=s/m3=120000/15000=8 cm
s1=s m=s:100  m=120000:100  m=1200 m s2=s1 km=s1:1000  km=1200:1000  km=1.2 km=56 km=1.2 km

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