# Math-i know the answer but how

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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