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I know that I have to use the "rule of three" when the relationship between the variables is direct and proportional. Identifying that the relationship is direct is easy; however, I don't know how to be sure that that the relationship is proportional. Is there a method or tecnique to confirm that?
For example, If 7 candies represent the 35% of a bag of candies, how many candies are in the bag? Common sense tells me that I have to use the rule of three:
7 ----- 35 x ----- 100
x = 20
Although that's the correct answer I was not sure that the relationship is proportional. How to confirm that in this problem and in more complex questions? Thanks!
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I know that I have to use the "rule of three" when the relationship between the variables is direct and proportional. Identifying that the relationship is direct is easy; however, I don't know how to be sure that that the relationship is proportional. Is there a method or tecnique to confirm that?
For example, If 7 candies represent the 35% of a bag of candies, how many candies are in the bag? Common sense tells me that I have to use the rule of three:
7 ----- 35 x ----- 100
x = 20
Although that's the correct answer I was not sure that the relationship is proportional. How to confirm that in this problem and in more complex questions? Thanks!
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I will say if you can write something in the form
If k1 times x imples y Then k2 times x implies ???
What I mean to say is if you can write something in the form
If some part of something(say x) implies something (say y) Then some other part of something (x) implies ???
I hope I answered your question. Good luck.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.