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Euler's mathematical problems
Let the amount of money be x

boss(X- 100)/ 10+ 100 = X/ 10+90。

Raul (9x/10-90-200)/10+200 = 9x/100-29+200.

9x/ 100-29+200 = x/ 10+90

x=8 100

The boss's 8 100/ 10+90=900 is the legacy of every son.

Number of sons 8 100/900=9

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