Lily is working with models whose scale is 1/2 inch to 1 foot. The teacher starts by asking her to determine how many 1/2 inches are in 1 foot. The segment ends with this question: How many 1/2 inches are there in 3 1/2 inches, the height of one of the scale models?
Watch the video to see how Lily answers the first question.
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In the box below, explain how Lily determined how many 1/2 inches are in 1 foot. Then, explain why a scale of 1/2 inch to 1 foot is equivalent to a scale of 1:24.