# Math-i know the answer but how

Asked Jan 23, 2008, 12:29 PM — 2 Answers
Jordan and Missy are standing together in the schol yard. Jordan who is 6fett tall cast shadow of 54 inches long. At the same time missy casts a shadow that is 45 inches long. How tall is missy

A- 38 in.
B- 86.4
C- 5Ft
D-5ft 6 in

I know the asnwer is % feet. I doen this before but my only question is how did I get 5 feet? I completely forgot.

Please help? I have a math regent tomorrowand I'm bugging out trying to figure out so mnay problems

 Capuchin Posts: 5,319, Reputation: 3601 Uber Member #2 Jan 23, 2008, 01:29 PM
$\frac{6}{54} = \frac{x}{45}$

Solve for x and you find x = 5ft

To understand why, look up similarity. (or just click that link )
 HarajukuGirl Posts: 208, Reputation: 44 Full Member #3 Jan 23, 2008, 02:20 PM
Thank you! You know its funnys, after I posted this post I sat there with my friend and slapped my self for how dumb I am. I realized it was the fraction thing.. But thank you now I know I am right haha .

Back to studying!

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