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11. The Golden Gate Bridge in San Francisco is 220 feet tall. If a model of the bridge is created with a scale of 3 feet = 80 feet, how tall is the model?

12. Plans were made for a rectangular garden to be planted outside a library. The plans use a scale of 1.6 cm = 2 m. If the garden is 14 cm by 10 cm on the scale, find the actual dimensions.

13. Mr. Jones is renovating his backyard, which includes extending his patio. The designs drawn by his landscaper use a scale of 1 inch = 3.5 feet. If the patio is 5 inches long on the diagram and the original patio is 9 feet long, by how many feet is he extending it?

14. Two cities, Ashville and Boulder, are 2.5 inches apart on a map. A third city, Wellspring, is located exactly halfway between Ashville and Boulder. If the map uses a scale of 0.5 inch = 15 miles, find the actual distance from Wellspring to Boulder.

Answer :

Sure! Let's go through the solution step by step for the problem about the distance between the cities Ashville, Boulder, and Wellspring on the map.

1. Understand the scale of the map:
- The map uses a scale where 0.5 inches on the map represents 15 miles in reality.

2. Distance on the map:
- The distance between Ashville and Boulder on the map is given as 2.5 inches.

3. Find the actual distance between Ashville and Boulder:
- First, divide the distance on the map by the scale's map measurement to find how many scale units it represents:
[tex]\[
\frac{2.5 \text{ inches}}{0.5 \text{ inches/unit}} = 5 \text{ units}
\][/tex]
- Then, multiply by the actual measurement for each unit to find the actual distance:
[tex]\[
5 \text{ units} \times 15 \text{ miles/unit} = 75 \text{ miles}
\][/tex]
- Therefore, the actual distance between Ashville and Boulder is 75 miles.

4. Find the distance from Wellspring to Boulder:
- Since Wellspring is exactly halfway between Ashville and Boulder, the distance from Wellspring to Boulder is half of the total distance:
[tex]\[
\frac{75 \text{ miles}}{2} = 37.5 \text{ miles}
\][/tex]
- So, the actual distance from Wellspring to Boulder is 37.5 miles.

In conclusion:
- The actual distance between Ashville and Boulder is 75 miles.
- The distance from Wellspring to Boulder is 37.5 miles.

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