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3 years ago

Find the distance represented by a 3-inch line on a blueprint with a scale of 3/8 inch = 1 foot

Mathematics

1 answer:

irina1246 [14]3 years ago

7 0

Answer:

8 feet

Step-by-step explanation:

Using the scale of 3/8 inch = 1 foot, we can set up a proportion (equivalent ratios) to find the number of feet equal to 3 inches:

$\frac{3}{8}=0.375$

$\frac{inches}{foot}=\frac{0.375}{1}=\frac{3}{x}$

Cross-multiply: 0.375x = 3

Divide by 0.375: 0.375x/0.375 = 3/0.375

x = 8 feet

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We know that p=5, because p represents percentage, and the percentage 5% is equal to the fraction 5/100. Also, we know that 60 = b, or the denominator as this is the entire portion that we are trying to figure out.

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