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OpenStudy (anonymous):
The scale factor for a model car is 1:8. If the miniature car is 7.5 inches wide, how wide is the actual car?
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OpenStudy (p0sitr0n):
1:8 means that for each inch of the miniature car, the real car has 8 inches. You can see it as the real car being 8 times bigger than the miniature. So if the mini is 7.5 wide, then the real one is 8 times bigger, or 7.5*8 = 60 inches wide
OpenStudy (anonymous):
thank you
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