J Jules New member Joined Dec 3, 2006 Messages 1 Dec 10, 2006 #1 If 1/4 inch represents 1 foot on a blueprint, how many inches on the drawing will be required to represent 18 feet?
If 1/4 inch represents 1 foot on a blueprint, how many inches on the drawing will be required to represent 18 feet?
G Goistein Junior Member Joined Oct 8, 2006 Messages 109 Dec 10, 2006 #2 Use proportions: (1/4)/1=x/18. Cross-multiplyto get x=(1/4)*18=9/2. Or just multiply 18*1/4=18/4=9/2.
Use proportions: (1/4)/1=x/18. Cross-multiplyto get x=(1/4)*18=9/2. Or just multiply 18*1/4=18/4=9/2.
