A bat and a ball cost $1.10

[Grand Magus]

A bat and a ball cost $1.10. The bat costs $1 more than the ball. How much does each cost individually?

(It's a christmas gift bundle.)

You probably go that wrong:

Think about it first, before scrolling down for the answer.

(scroll down for answer)

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Bat = $1.05
Ball = $0.05

[The 8th Dwarf]

Cricket or vampire?

[GeraintElberion]

man or girl?

[Treppa]

I got it. So there.

[GeraintElberion]

Treppa wrote:

I got it. So there.

We all did, it's painfully easy.

GM just has low expectations.

[Treppa]

It's almost like she has no faith in people's intelligence or something.

[yellowdingo]

The 8th Dwarf wrote:

Cricket or vampire?

Lol is there a difference? Wooden stakes and bat to beat them in with.

[Pillbug Toenibbler]

Once you have the bat, you can then mug them to get your $1.10 back.

[Sissyl]

What can I say, it's a classic. And I got it the first time.

[Kir'Eshe]

I've seen this problem before. It's mentioned in the book, Thinking fast & slow by Kahneman. It's usually a case of going intuitive to answer the question. Our guts are wrong surprisingly often when thinking numerically. (At least that's a point in the book).

[Pygon]

It's $1.00 and $0.10 because it looks that way. I don't care if $1.00 isn't actually $1.00 more than $0.10!!!

[Freehold DM]

More proof of maths duplicitous nature.

[Terquem]

Is that before or after the mail in rebate?

[GreyWolfLord]

Well, in some US states you all would be wrong. You forgot the sales tax included in the price...

:D

[Grand Magus]

Grand Magus wrote:

A bat and a ball cost $1.10. The bat costs $1 more than the ball. How much does each cost individually?

I don't like baseball.

[Professor Stuffington]

x + (x+1) = 1.10

2x + 1 = 1.10

2x = 0.10

x = 0.05

(BTW, this puzzle dates to the 1920s. I usually update this puzzle for inflation: "A bat and a ball together cost $55. The bat costs $50 more than the ball. How much does each cost.")

[Treppa]

Professor Stuffington wrote:

x + (x+1) = 1.10

2x + 1 = 1.10

2x = 0.10

x = 0.05

(BTW, this puzzle dates to the 1920s. I usually update this puzzle for inflation: "A bat and a ball together cost $55. The bat costs $50 more than the ball. How much does each cost.")

Labels! Labels, dear fellow!

[GeraintElberion]

I've just realised I got this all wrong.

Christmas gift bundles are usually discount bundles.

So, there's a good chance that anyone buying the two separately would be paying more than $1.10