# A model is made of a car. The car is 9 FT. long and the model is 6 INCHES long. What is the ratio of the length of the car to the model?a.18:1 b.1:18 c.9:6 d.6:9

*print*Print*list*Cite

Expert Answers

embizze | Certified Educator

The car is 9ft long; the model is 6in long. Find the ratio of the length of the car to the length of the model:

A ratio is unitless, so all measurements must be expressed in the same units.

The length of the car is 9ft=(9*12)inches=108inches.

**Thus the ratio of the car to the model is 108:6. Simplifying yields 108:6=18:1 So the answer is (a) 18:1**