Posted by Celeste on Wednesday, November 14, 2012 at 12:03pm.
Help!!! On a blue print scale 1/2 inch = 10 feet. How do I figure out the actual width of the living room whose distance is 3/4 inches
- Math - Ms. Sue, Wednesday, November 14, 2012 at 12:25pm
One way to figure it out is to let x = the actual width. Cross multiply and solve for x.
(1/2) / 10 = (3/4) / x
30/4 = (1/2)x
(30/4)/(1/2) = x
(30/4) * (2/1) = 60/4 = 15 feet
- Math - Celeste, Wednesday, November 14, 2012 at 1:13pm
ok thank u!!!! that helps a lot
i will try it?
- Math - Ms. Sue, Wednesday, November 14, 2012 at 1:16pm
- Math - Celeste, Wednesday, November 14, 2012 at 1:17pm
ok well i tryed it and still i dont understand??? can u say so i understand???PLEASE PLEASE PLEASE
- Math - Celeste, Wednesday, November 14, 2012 at 1:31pm
MS. SUE WHAT SCHOOL DO U WORK AT????
- Math - Ms. Sue, Wednesday, November 14, 2012 at 1:59pm
Here's another way to approach this problem.
1/2 inch = 10 ft.
1 inch = 20 ft.
3/4 * 20 = 15 feet
- Math - Celeste, Wednesday, November 14, 2012 at 6:53pm
ok thank u got it more but can u help me on other problems they r the same but different #'s
- Math - Celeste, Wednesday, November 14, 2012 at 8:38pm
If I have different fractions can I multiply the others by 20 as well?
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