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A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of the plane is?
20.
A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of the plane is about 40 cm long, what is the model’s wingspan?
33.9 cm
40/2.54=15.74 (model length in inches)
230x12=2760 (actual length in inches)
2760/15.74=175.34(scale)
195x12=2340 (actual wingspan in inches)
2340/175.34=13.34 (model wingspan in inches)
13.34x2.54=33.88 or 33.9 (model wingspan in cm)
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