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Old 05-30-2009, 09:56 PM
Creative Engineering Creative Engineering is offline
Join Date: Sep 2008
Location: Clearwater, FL
Posts: 1,668
Default Re: Calling all mental giants for math question

Originally Posted by cyclepro101 View Post
Can anyone tell me the answer to this question and how they worked it out?

How much fuel do I need to add to 1 litre of 1:20 mix to make up to 1:30?

Did you intend to ask:

How much fuel should I add to an existing 20:1 fuel/oil ratio mix, in order to achieve a 30:1 fuel/oil ratio mix?

If so...the answer is 50% more, or 1/2 litre.

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