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Timely Arrivals is a puzzle in Professor Layton and the Unwound Future.

Puzzle

US Version

"I think my watch is five minutes slow, but it's actually five minutes fast.

My friend thinks his watch is five minutes fast, but it's actually five minutes slow!

If we try to show up at our meeting point at the same time following only the time on our watches, how many minutes earlier than my friend will I arrive?

Also, if I happen to arrive later than my friend, put a minus sign (-) in from of your answer."

UK Version

"I think my watch is five minutes slow, but it's actually five minutes fast.
My friend thinks his watch is five minutes fast, but it's actually five minutes slow!

If we try to show up at our meeting point at the same time but only checking our own watches, how many minutes earlier than my friend will I arrive?

Enter a minus sign (-) in front of your answer if I arrive later than my friend. You don't need to enter a sign if I arrive earlier than my friend."

Hints




Click a Tab to reveal the Hint.

US Version

If you're confused, try looking at an analog clock while thinking about the conditions of this puzzle.

UK Version

If you're confused, try looking at an analogue clock while thinking about this puzzle.

US Version

What's the difference between the actual time of our meeting and the time when I will arrive?

If you can figure this out, you'll know when my friend will arrive if you think about him as the exact opposite.

UK Version

"What's the difference between our actual meeting time and the time that I'll arrive?

If you can work this out, you'll know when my friend will arrive if you think about him as the exact opposite."

US Version

I think my watch is five minutes slow, so when I want to arrive on time, I show up five minutes earlier than the time shown on my watch.

However, my watch is five minutes, so I'll actually end up arriving 10 minutes early.

UK Version

"I think my watch is five minutes slow, so when I want to arrive on time, I show up five minutes earlier than the time shown on my watch.

However, my watch is in fact five minutes fast, so I'll actually end up arriving 10 minutes early."

US Version

I'll arrive at our meeting point 10 minutes early. Since the conditions for my friend are the exact opposite of mine, he will arrive 10 minutes late. So then, what's the difference between our two arrivals?

That's your answer!

UK Version

"I'll arrive at our meeting point 10 minutes early. Since the conditions for my friend are the exact opposite of mine, he will arrive 10 minutes late. So what's the difference between our arrival times?

That's your answer!"


Solution

Incorrect

Too bad!

US Version

This puzzle can be tough to wrap your head around at first. Try picking a set time as the meeting time and working from there.

UK Version

This puzzle can be a tough one to wrap your head around at first. Try picking a set time for their meeting and working from there.

Correct

Smart!

US Version

I'll arrive at our meeting point 20 minutes before my friend.

My watch is five minutes faster than the actual time. But I think my watch is five minutes slow, so I'll arrive five minutes before our meeting time, which will actually be 10 minutes early. My friend is just the opposite: he'll be 10 minutes late. Our difference, then, is 20 minutes.

UK Version

"I'll arrive at the meeting point 20 minutes before my friend.

My watch is five minutes ahead of the actual time. But because I think my watch is five minutes slow, I'll arrive five minutes before our meeting time, which will actually be 10 minutes early. Between me being early and him being late, I'll have to wait 20 minutes for my friend!"

UF077S

A big thanks to http://professorlayton3walkthrough.blogspot.com

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