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All Comments (11)
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just want to know,, 100 liters of oil how much biodiesel it would make after dispose the cliserine,,,any one? and why not use USED kitchen oil??
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What kind of scientist has to use a calculator to work out 20% of 100 hahhaha im dyslexic and i can tell u that without a pause!
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Give this dude a break. First of all, he's doing a demonstration... he's talking down to the crowd. That's deference. He'd probably lose a few of you if he started talking numbers in his head and you had no point of reference of how he did the calculation.. Someone would be sending a tweet asking him how he came up with the numbers. Second, do be so blasted critical. If are below, obviously you are just not getting enough hugs and are not the most popular person in your family.... cripe
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Using calculator to calculate 20% of 100?! The "cent" in percent means 100, so twenty per cent means????
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Genius try using new clean vegetable oil as motor oil.
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These are great videos, very helpful. Shame the bloke cant add up!
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hahah thats exactly what i was thinking
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americans 0.20 X 100 they use a $10 calculator
an indian farmer can do this in his mind.
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2nd comment!



huh yeah, 20% of 100 is... 20 :-P
...I'm kidding. I'm an undergraduate physics and chemistry student, and sometimes I too have these momentarily blackout of calculations - so I guess it's a common issue.
Good videos.
pelegsap 2 years ago 3
Dim the lights ????? all we see is refection from the white board
fbturbo930 3 years ago 2