MHB Money Question [Need Shortcut Way]

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To determine the total money for John, Mike, and Felix, John's share is calculated as 2/5 of SGD 24,000, resulting in SGD 9,600. Mike's share, being half of John's money, amounts to SGD 4,800. Felix's share, which is one-third of Mike's money, totals SGD 1,600. The corrected total sum of their money is SGD 9,600 + SGD 4,800 + SGD 1,600, equaling SGD 16,000. A simpler ratio approach could streamline these calculations.
zidan3311
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hello all.

my question :

John's money = 2/5 from SGD24000
Mike's money = 1/2 from John's money
Felix's money = 1/3 from Mike's money

determine all (sum) money them?

i have tried :

for John's money = 24000 x 5/2 = 60.000
for Mike's money = 1/2 x 60000 = 30000
for Felix's money = 1/3 x 60000 = 10000

sum of total money = 60000+30000+10000 = 100000

do you have more simple step/formula? maybe with ratio approach..

thanks..
 
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zidan3311 said:
John's money = 2/5 from SGD24000
What does that mean?

Also: 1/3 * 60000 = 20000, NOT 10000
 
Last edited:
Here is a little puzzle from the book 100 Geometric Games by Pierre Berloquin. The side of a small square is one meter long and the side of a larger square one and a half meters long. One vertex of the large square is at the center of the small square. The side of the large square cuts two sides of the small square into one- third parts and two-thirds parts. What is the area where the squares overlap?

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