$60, $40
Step-by-step explanation:
Let the common multiplier of the given ratios be x.
Therefore, required parts would be 6x and 4x
[tex]6x + 4x = 100 \\ 10x = 100 \\ x = \frac{100}{10} \\ x = 10 \\ 6x = 6 \times 10 = 60 \\ 4x = 4 \times 10 = 40 \\ [/tex]
