Let's represent the two parts as x and y.
We know that:
1) x + y = 6000
2) 0.15x = 0.35y
From equation 1:
x = 6000 - y
Substitute x in equation 2:
0.15(6000 - y) = 0.35y
900 - 0.15y = 0.35y
900 = 0.5y
y = 1800
x = 6000 - 1800
x = 4200
Therefore, the two parts are 4200 and 1800.
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