Answer:
2.5 kg
Explanation:
Parts of compost = 2 parts
Parts of potting soil = 6 parts
Total parts = 2 parts + 6 parts = 8 parts
from the above, we can see that 2 out of 8 parts of the total mix is compost,
i.e compost makes up
of the total mix.
Given: total mix is 10 kg,
the amount of compost is then
x 10 kg = 2.5 kg