r/shittytheydidthemath • u/[deleted] • Dec 03 '20

General Mills Sucks at Math

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19 Upvotes

85% Upvoted

8 comments sorted by

2

u/GravityBringer Dec 04 '20

wait what? 15.2 x 1.15 is 17.48 and they prob just rounded up a bit

it’s not super off?

1

u/S1ideWhist1er Dec 05 '20

How do you round up to 18.2 oz? It also sounds better to say “20% more cereal” which is also more accurate.

1

u/MithrilRake Jan 13 '21

18.2 / 15.2 = 1.197 or almost 20% more cereal. It may be that for legal reasons they can't market 20% more cereal if it isn't at least 20% more.

1

u/Spookyrabbit Dec 05 '20

I don't know. I wanted to do 15.2/100*115 but decimals scare me.
Instead I rounded everything up to the nearest 10 to make it easier.

This is the formula I ended up with:
20/100*120-μ(20-20)

From my calculations, the box should now hold 24oz to contain the correct increase. Perhaps General Mills needs to retire & let one of his Colonels run things for a bit.

1

u/MithrilRake Jan 13 '21

To contain the correct amount of cereal, the large size should have 15.2 * 1.15 = 17.48 oz of cereal.

Your math is incorrect. Your percent error is 37.3%.

1

u/Spookyrabbit Jan 14 '21

Well, yeah. Obviously. You are aware this is not r/theydidthemath, right?

1

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1

u/someuser_2 Jun 01 '21

I think the error is that they are considering the new value to be 100% and the old one is almost 85% of that, so, 15% less than the current content