Use the scale on a map Example 4 Use a metric ruler and the map of California to estimate the distance between Sacramento and Los Angeles. MAPS SOLUTION From the map’s scale, 1 centimeter represents 150 kilometers. On the map, the distance between Sacramento and Los Angeles is about 3.8 centimeters. Write and solve a proportion to find the distance d between the cities.
Use the scale on a map Example = d 3.8 centimeters kilometers Cross products property =1 d Simplify. 570=d ANSWER The actual distance between Sacramento and Los Angeles is about 570 kilometers.
Guided Practice for Example 4 Use a metric ruler and the map in Example 4 to estimate the distance (in kilometers) between Sacramento and San Diego. ANSWER about 750 km 6. 7.MODEL SHIPS The ship model kits sold at a hobby store have a scale of 1 ft : 600 ft. A completed model of the Queen Elizabeth II is 1.6 feet long. Estimate the actual length of the Queen Elizabeth II. ANSWER about 960 ft