← | 063 - Son's Slipup | 064 - Cutting the Cake | 065 - Rubble Trouble | → |
Puzzle
- US Version
"I suppose I could share this triangular cake. It's really tasty, but I can spare half of it, and my friends can divide that between them.
Then again, it is my cake. It's only fair that I should have most of it...
I'll just cut two pieces with a ratio of 4:5 and take the bigger piece. That's still pretty generous, isn't it?"
The sides of the cake are 15 in. long. How far along the side should he cut?
- UK Version
"I suppose I could share this triangular cake. It's really tasty, but I can spare half of it, and my friends can divide that between them.
Ngh, but it is my cake. It's only fair that I should have most of it...
I'll just cut two pieces with a ratio of 4:5 and take the bigger piece. That's still pretty generous, isn't it?"
The sides of the cake are 15 cm long. How far along the side should he cut?
Hints
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Solution
Incorrect
- US Version
Too bad!
Keep in mind that the cake is in the shape of an equilateral triangle.
- UK Version
Crumbs!
You shouldn't have to think too hard. Just remember that the cake is an equilateral triangle.
Correct
Correct!
- US Version
"I can have my cake and eat it, too!
If I cut the side at 10 in. as shown, the proportion of the portions is exactly 4:5.
I can eat lots of cake and share with my friends, too!"
- UK Version
"I can have my cake and eat it!
If I cut the side at 10 cm as shown, the proportion of the portions is exactly 4:5.
I can eat lots of cake and share with my friends, too!"
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