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839

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[–] • 11 pts

5! = 5 * 4 * 3 * 2 * 1 = 120 230 - (220 * 1/2) = 120

[–] • 4 pts

Context indicates that the exclamation point, which is used grammatically in both sentences at the top of the image, is also being used that way in the last sentence.

For this silly math joke to be correct, there should be a period or a second exclamation point at the end of "BUT THE ANSWER IS 5!"

[–] • 0 pt

Can't be a second exclamation point; then it would equal 668950291344912705758811805409037258675274633313802981029567135230163355724496298936687416527198498130815763.

[–] • 1 pt

No, it wouldn't. The exclamation point is either a math operator OR a grammatical marker. It is not both.

[–] • 0 pt

Okay?

[–] • 2 pts

So the statement at the end, the answer is 5!, is correct

[–] • 8 pts

The equation is ambiguous & calls into question the order of operations. The proper use of parentheses would clear things up.

[–] • 8 pts

It's not amiguous at all.

[–] • 1 pt

I am by far a math nerd, but I agree with you.

[–] • 0 pt
[–] • 0 pt

That's what common core teaches, not mathematics.

[–] • 4 pts

Nope, the equation is correct according to the order of operations rule.

I missed it myself the first time, too.

[–] • 1 pt

True. I recall a similar post some time ago that sparked a conversation about the order of operations. I did a quick search and didn't find what I was thinking of, so maybe I'm mistaken. It boiled down to some not using PEMDAS correctly.

If I'm taking a note for later I'll write something like this as 230 - (220 * 0.5) just to make sure I don't trip myself by not looking close.

[–] • 1 pt

I'll give you a hint: Read it even more closely.

(There's also a spoiler in the comments.)

[–] • 0 pt

It's ambiguous because typography makes it unclear if it's 230 - 220 x (1/2) or (230 - 220 x 1) / 2

[–] • 0 pt

I remember this from grade school: PEMDAS!

[–] • 0 pt

multiplication and division always occur before add and subtract.

[–] • 4 pts

I got 1488

[–] • 0 pt

is only right answer, comrade

[–] • 1 pt

Spoiler: 5!

[–] [deleted] • 1 pt

So they are good at math and bad at punctuation.

[+] [deleted] • 1 pt
[–] • 0 pt

Heh good one, took me a minute

[–] • 0 pt (edited )

To get 5 you have to go.

230 - 220 = 10 10 x .5 = 5

If you run it all as one equation, it comes out as 120.

Ask a common core kid to do the problem and what they say, our future bridge builders...

[–] • 0 pt

It doesn’t say the answer is 5. It says the answer is 5!

[+] [deleted] • 0 pt
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