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Math

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PROBLEM

Lola drew a scale drawing of a city park. The soccer field is 232 millimeters long in the drawing. The actual field is 116 meters long. What is the scale of the drawing?
2 millimeters : \square meters
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STEP 1

1. The length of the soccer field in the drawing is 232 232 millimeters.
2. The actual length of the soccer field is 116 116 meters.
3. We need to determine the scale of the drawing in the form of 2 2 millimeters to some number of meters.

STEP 2

1. Define the scale ratio.
2. Set up a proportion.
3. Solve the proportion for the scale.

STEP 3

Define the scale ratio as 2 mmx meters \frac{2 \text{ mm}}{x \text{ meters}} , where x x is the number of meters corresponding to 2 2 millimeters in the drawing.

STEP 4

Set up a proportion based on the given lengths.
232 mm116 meters=2 mmx meters\frac{232 \text{ mm}}{116 \text{ meters}} = \frac{2 \text{ mm}}{x \text{ meters}}

STEP 5

Simplify the left side of the proportion.
232116=2\frac{232}{116} = 2 Thus, the proportion becomes:
2=2 mmx meters2 = \frac{2 \text{ mm}}{x \text{ meters}}

SOLUTION

Solve the proportion to find x x .
Cross-multiply to solve for x x :
2x=212 \cdot x = 2 \cdot 1 Simplify:
2x=22x = 2 Divide both sides by 2 2 :
x=1x = 1 The scale of the drawing is:
2 millimeters:1 meter2 \text{ millimeters} : 1 \text{ meter}

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