Posted by **Daniel** on Wednesday, November 3, 2010 at 2:33pm.

Ruth makes a scale drawing of her room.She uses the scale 3/2in:1ft.In the drawing, the dimensions of her room are 18in by 24in.What are the actual dimensions of her room

- 7th grade math -
**Ms. Sue**, Wednesday, November 3, 2010 at 2:34pm
3/2in ??

Do you mean 1 1/2 inches = 1 foot?

- 7th grade math -
**Daniel**, Wednesday, November 3, 2010 at 2:36pm
yes ido

- 7th grade math -
**Ms. Sue**, Wednesday, November 3, 2010 at 2:49pm
One way to solve this problem is with proportions.

1.5/1 = 18/x

Cross multiply:

1.5x = 18

x = 18/1.5

x = 12 feet

Try the second dimension. I'll be glad to check your answer.

- 7th grade math -
**Daniel**, Wednesday, November 3, 2010 at 2:52pm
Is it 16 inches

- 7th grade math -
**Daniel**, Wednesday, November 3, 2010 at 3:02pm
am i right

- 7th grade math -
**Ms. Sue**, Wednesday, November 3, 2010 at 3:15pm
Your number is correct, but the unit is wrong. Your question asks what are the dimensions of her room.

I told you one of the dimensions is 12 **feet**. I don't think the other dimension is 16 **inches**.

- 7th grade math -
**Daniel**, Wednesday, November 3, 2010 at 3:17pm
thank you Ms.Sue

- 7th grade math -
**Ms. Sue**, Wednesday, November 3, 2010 at 3:19pm
Your welcome.

I hope you realize that the room measures 12 feet by 16 feet.

- 7th grade math -
**Nayideh Rene**, Tuesday, March 26, 2013 at 3:23pm
How to find the width of if the rectangular room is 2 inches and 5 inches and the actual room size is 1:72 what is the width?

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