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gastos:
1° = x/5 quedó 4x/5
2° = 1/8(4x/5) = 4x/40 = x/10
3° = 5/3(x/5) =5x/15 = x/3
4° = 2(x/10) = 2x/10 y le sobran 15000soles
x = x/5+x/10+x/3+2x/10+15000 mcm = 30
30x = 6x+10x+6x +15000*30
30x -22x = 450000
8x = 450000
x = 45000/8
x = 56250soles