Question

Food waste, paper waste and plastic waste have typical densities of $280 kg/m^3$, $80 kg/m^3$, and $50 kg/m^3$, respectively. The mixed waste is composed of 70% food waste, 20% paper waste and 10% plastic waste. The density of the mixed waste is ______ $kg/m^3$. (rounded off to 2 decimal places). Neglect compaction effect.

Answer 1

The correct answer is : 142.00 to 143.00