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melamori03 [73]
3 years ago
13

In the scale used on a blueprint,1/4 inch represents 2 feet.On the blueprint,what is the length of a room with an actual length

of 20 feet?

Mathematics
2 answers:
attashe74 [19]3 years ago
6 0
You would have to multiply 2 feet by 10 to get 20 feet, so multiply 1/4 by 10 to get 5/2 inches. The length of a 20 ft. room on a blueprint would be 5/2 or 2.5 inches.
den301095 [7]3 years ago
3 0

Answer: Option 'd' is correct.

Step-by-step explanation:

Since we have given that

In the scale used on a blueprint,

\dfrac{1}{4}\ inch=2\ feet

Length of a room = 20 feet

We need to find the  Length of room in a blue print.

We will use "Unitary method":

2\ feet=\dfrac{1}{4}\ inch

1\ feet=\dfrac{1}{8}\ inch

So,  20\ feet=\dfrac{1}{8}\times 20=2.5\ inches

Hence, Option 'd' is correct.

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