Solve the equation in 2 variables using elimination or substitution.
A contractor mixes concrete from bags bags of pre-mix for small jobs. How many bags with 7% cement should he mix with 10 bags of 15.5% cement to produce a mix containing 12% cement?
OK, Help! I despise word problems they make my head spin!
A contractor mixes concrete from bags bags of pre-mix for small jobs. How many bags with 7% cement should he mix with 10 bags of 15.5% cement to produce a mix containing 12% cement?
OK, Help! I despise word problems they make my head spin!