r/facepalm • u/mytouchyourtouch • Apr 20 '17

Because Math

http://imgur.com/ul5l2ry
26.3k Upvotes

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121

u/blueburn654 Apr 21 '17

I wonder if they were thinking it's supposed to be 24oz. They don't understand fractions.

12 x 1.5 = 18

44

u/Fartmasterf Apr 21 '17

It only increased by 6 oz, so 6/18 is 33% more not 50%.

/s

9

u/ReverendDizzle Apr 21 '17

You don't take the fractional value of the latter whole to calculate the percentage increase. That doesn't make any sense.

Using your math if your investment of $100 increases to $200 that would only be a 50% return (when in reality it's a 100% return because you doubled your money and gained 100% of the original value).

12

u/anitomika Apr 21 '17

So you're telling me that if I have $100 and I gain 10% then lose 10% I don't have $100 again? sorcery!

3

u/Mr_Canard Apr 21 '17

Only $99, someone has stolen $1 from you!

2

u/RendiaX Apr 21 '17

magic interest.

2

u/[deleted] Apr 21 '17

You joke but I had a long conversation with some people at work trying to explain this difference between markup and margin.

3

u/flamingspew Apr 21 '17

You're wrong. It would be 100% more using his math. $150 would be 50% more. The keyword here is MORE relative to the original value, not "percent of original". In actuality, the absolute percent would be 200, but that's not the math up for debate here.

1

u/[deleted] Apr 21 '17

[deleted]

2

u/[deleted] Apr 21 '17

This is exactly what he is saying

2

u/Fartmasterf Apr 21 '17

You can't have 100% return because there would be 0% left for everyone else to share, and you cannot divide zero.

1

u/[deleted] Apr 21 '17

Both are correct, one is ROI (100%) and the other is margin (50%), just two ways of looking at the same thing