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 2 years ago
The ratio of three measures of a triangle is 1/4:1/8:1/6. Its perimeter is 4.75 feet. Find the length of the longest side.
 2 years ago
The ratio of three measures of a triangle is 1/4:1/8:1/6. Its perimeter is 4.75 feet. Find the length of the longest side.

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mayankdevnani
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1357271432608:dw

radh
 2 years ago
Best ResponseYou've already chosen the best response.1First of all, we have to make the ratios have the same denominator. So we have to find the LCM of the three. Can you do that?

radh
 2 years ago
Best ResponseYou've already chosen the best response.1Okay. So tell me the ratios given the LCM being 24.

radh
 2 years ago
Best ResponseYou've already chosen the best response.1Okay, so now we'd divide 4.75 by 24, because those are the ratios given. Then we'd multiply that number by 6, because that is the longest side. Get it?

dancechick76
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1357271703422:dw

radh
 2 years ago
Best ResponseYou've already chosen the best response.1Yep. That's what I got for the longest side.

dancechick76
 2 years ago
Best ResponseYou've already chosen the best response.0My book says 2.2 feet...So the correct answer should be 2.2, I just don't understand how to get that.

dancechick76
 2 years ago
Best ResponseYou've already chosen the best response.0if I add the x's together I would get 13/24x=4.75

dancechick76
 2 years ago
Best ResponseYou've already chosen the best response.0Should I divide 4.75 by 24, then multiply by 13 to find x? then plug x into the fractions?

radh
 2 years ago
Best ResponseYou've already chosen the best response.1I apologize, my internet died for a moment there.

radh
 2 years ago
Best ResponseYou've already chosen the best response.1I'm not sure, because that was my answer, but you should try the method mayank suggested. Let me try that too.

radh
 2 years ago
Best ResponseYou've already chosen the best response.1Look at this: http://www.algebra.com/services/rendering/simplifier.mpl?expression=1%2F4%2Ax%2B1%2F8%2Ax%2B1%2F6%2Ax=4.75

radh
 2 years ago
Best ResponseYou've already chosen the best response.1Then, the largest fraction is 1/4, and if we divided x by 4, we'd get the answer listed in the book.

radh
 2 years ago
Best ResponseYou've already chosen the best response.1No problem. Sorry for being wrong the first time. :P
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