SOLUTION: A boeing 747 jet is approximately 230 ft long and has a wingspan of 195ft.If a scale model of the plane is about 40cm long. What is the models wingspan? I needs some help with t

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Question 187656: A boeing 747 jet is approximately 230 ft long and has a wingspan of 195ft.If a scale model of the plane is about 40cm long. What is the models wingspan?
I needs some help with this I think you use ratio or proportions
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
230/195=40/x

230x=40*195

230x=7800

x=7800/230

x=33.91

Ans: Model's wingspan is about 33.91 cm