Question

Joy drew a scale drawing of an apartment. The scale of the drawing was
4 millimeters = 5 meters. What is the drawing's scale factor?
Simplify your answer and write it as a ratio, using a colon.

Answer 1

The drawing's scale factor is 1 : 1250

Determining Scale factor

From the question, we are to determine the drawing's scale factor and we are to write our answer as a ratio

From the given information,

The scale of the drawing was 4 millimeters = 5 meter

Convert 5 meters to millimeters

1 meters = 1000 millimeters

∴ 5 meters = 5000 millimeters

Thus,

The scale of the drawing was

4 millimeters = 5000 millimeters

Divide both sides by 4 millimeters

Therefore,

The scale of the drawing was

1 : 1250

Hence, the drawing's scale factor is 1 : 1250

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