SOLUTION: 2. A mixture contains 6 kg sand and 4 kg of cement. How much cement must be added to kema a mixture that is 70% cement?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: 2. A mixture contains 6 kg sand and 4 kg of cement. How much cement must be added to kema a mixture that is 70% cement?       Log On