Mathematics
rharris
22

Jimmy has a diecast metal car that is a scale model of an actual race car. If the actual length of the car is 10 feet 6 inches and the model has a length of 7 inches, what is the scale factor of the model to the actual car?

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(1) Answers
petranajjar

10 feet 6 inches = 126 inches. Length of the car is 126 inches and the model length is 7 inches.  126 : 7 = 18  The scale factor of the model to the actual car is  1 : 18.

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