Marlon

Marlon drew a scale drawing of a summer camp. In real life, the sand volleyball court is 8 meters wide. It is 4 centimeters wide in the drawing. What is the drawing's scale factor?


Simplify your answer and write it as a ratio, using a colon.

Correct result:

M =  0.005
r =  1:200

Solution:

a=8 mcm=8 100 cm=800 cm b=4 cm  M=b/a=4/800=1200=0.005a=8 \ m \rightarrow cm=8 \cdot \ 100 \ cm=800 \ cm \ \\ b=4 \ \text{cm} \ \\ \ \\ M=b/a=4/800=\dfrac{ 1 }{ 200 }=0.005
r=M=0.005=1200=1:200r=M=0.005=\dfrac{ 1 }{ 200 }=1:200



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