A model car is 5 inches long. The actual length of the car is 15 feet . What is the scale factor of the model car?
2 answers:
Answer:
1 : 36
Step-by-step explanation:
To obtain the scale factor, the dimensions must be in the same units.
Using the conversion
1 foot = 12 inches, then
15 feet = 15 × 12 = 180 inches, thus
scale factor = 5 : 180 ← divide both parts by 5
scale factor = 1 : 36
The scale factor of the model car is 1 : 36. Hope I could help! :)
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