SOLUTION: Jeremy is putting together a model rocket. The scale is 1 cm : 50 ft. If the height of the actual rocket is 210 feet, how tall is the model?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: Jeremy is putting together a model rocket. The scale is 1 cm : 50 ft. If the height of the actual rocket is 210 feet, how tall is the model?      Log On


   

Question 535554: Jeremy is putting together a model rocket. The scale is 1 cm : 50 ft. If the height of the actual rocket is 210 feet, how tall is the model?
Answer by fcabanski(1391) About Me  (Show Source):
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Set up ratios.


1cm/50ft = xcm/210ft (cross multiply)


210 = 50x (divide by 50) 21/5 = x = 4 and 1/5 cm or 4.2 cm.