M mia New member Dec 7, 2010 #1 ...with5% cement should he mix wi? I need help with the steps please? A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with5% cement should he mix with10 bags of18.3% cement to produce a mix containing12% cement?
...with5% cement should he mix wi? I need help with the steps please? A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with5% cement should he mix with10 bags of18.3% cement to produce a mix containing12% cement?
