
Concept explainers
Kelsey wants to make a scale drawing of herself standing straight and with her arms down. Kelsey is 4 feet 4 inches tall. Her leg is 24 inches long. If Kelsey wants to make the drawing of herself 10 inches tall, then approximately how long should she draw her leg? Solve this problem in two ways: with the scale factor method and with the internal factor method. In each case: Expiain clearly the idea and the reasoning of that method. Link the method to a proportion.

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