Darrien is building a model of the Globe Theatre stage using a scale of 1in:3 feet. On the model, the width of the stage is 15 inches. What is the actual width, in feet, of the stage?

The scale says 1 inch on the model represents 3 feet in real life. Multiply the model width, 15 inches, by 3 feet per inch: 15 × 3 = 45 feet. The actual width is 45 feet, choice b.

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