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A bleach bottle is labelled  "900 ml for the price of 750 ml: x% extra free". The x is smudged and illegible. What is x?

 Oct 25, 2014

Best Answer 

 #1
avatar+130511 
+5

Note that we're getting 150ml more than we usually do.

So 150/750 = 1/5 = 20% "free"........of course, I always want to ask them.....why don't you just pour the "free" part from 5 bottles into one??.....then, it shouldn't cost me anything...

 

 Oct 25, 2014
 #1
avatar+130511 
+5
Best Answer

Note that we're getting 150ml more than we usually do.

So 150/750 = 1/5 = 20% "free"........of course, I always want to ask them.....why don't you just pour the "free" part from 5 bottles into one??.....then, it shouldn't cost me anything...

 

CPhill Oct 25, 2014

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