SOLUTION: Brian drew a scale drawing of an apartment. In real life, the living room is 9 meters long. It is 3 millimeters long in the drawing. What scale factor does the drawing use? Simp

Question 1073608: Brian drew a scale drawing of an apartment. In real life, the living room is 9 meters long. It is 3 millimeters long in the drawing. What scale factor does the drawing use?
Simplify your answer and write it as a ratio, using a colon.

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Convert meters to millimeters
( 9 m ) * ( 1000 mm / m ) = 9000 mm
The ratio is:
9000 : 3 or
3000 : 1
( note that the ratio is a pure number because,
in terms of units, you have:
mm / mm

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