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Black_prince [1.1K]
3 years ago
11

A drawing has a scale 1/4 in: 12ft. How long is 8ft?

Mathematics
1 answer:
allochka39001 [22]3 years ago
4 0
If you use a proportion, you'll get:

\frac{0.25}{12} =  \frac{x}{8}

Then, you use cross products:

12x=0.25(8) \\ 12x=2

Then, you algebraically solve x:

12x=2 \\ \frac{12x}{12} =  \frac{2}{12}  \\ x= \frac{5}{3}

The answer is 5/3 inches , or 1 5/13 inches, or 1.6 repeating.
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