Homework Help: math

Posted by sonam on Friday, July 29, 2011 at 10:25am.

chalk contains 3% of carbon,10%of calcium & 12%of oxygen.find the amount in grams of each of these substancein 1kg of chalk.

math - PsyDAG, Friday, July 29, 2011 at 10:40am
Carbon = .03*1000 = ?

Calcium = .1*1000 = ?

Oxygen = ?

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