Shopping 100 chocolates puzzle
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Answered
You must buy 100 Chocolates for exactly $100, and purchase at least one Chocolates from each store.
- The first store charges 5 cents/Chocolates,
- The second charges $1/Chocolates and
- The third charges $5/Chocolates.
How many Chocolates should you buy from each store?
19 from 3rd store
80 from 1st store .
1 from 2nd store
This is a ‘replica’ of the ‘Buying Eggs puzzle’… 🙂
Best answer
We can solve it mathematically.
Let’s assume that x,y,z chocolates from 1st, 2nd and 3rd stores respectively.
Now, 0.05x + y + 5z= 100
Which simplifies to x + 20y + 100z= 2000
Now, x + y +z = 100
Subtracting we get,
19y + 99z = 1900
y= 100- 99z/19
Now, Z= 19 only.
y=1
x=80
Your Answer
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