7th grade math
posted by Daniel on .
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

3/2in ??
Do you mean 1 1/2 inches = 1 foot? 
yes ido

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. 
Is it 16 inches

am i right

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. 
thank you Ms.Sue

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

Tamisha works as an interno in an architects office. A designer drew a scale drawing of a kitchen without using grid paper. In the drawing 1 InchÃ¡ustegui represents 2 and a half feet. Tamishas supervisor wants her to determine the scale factors for the lenghts and the scale factors for the areas