[" 3.Chalk contains "10%" calcium,"3%" c...

[" 3.Chalk contains "10%" calcium,"3%" carbon,"12%" oxygen and the remaining sand."],[" Find the amount of carbon and calcium (in grams) in "2(1)/(2)kg" of chalk.Also find "],[" the amount of sand (in kg)."],[" Find the whole anantity if."]

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Chalk contains 10% calcium, 3% carbon and 12% oxygen. Find the amount of carbon and calcium (in grams) in 2""1/2" kg of chalk.

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chalk contains 3% of carbon 10% of calcium and 12% of oxigen find the amount in grams of each of these substances in 1 kg of chalk

[" 3.Chalk contains "10%" calcium,"3%" carbon,"12%" oxygen and the remaining sand."],[" Find the amount of carbon and calcium (in grams) in "2(1)/(2)kg" of chalk.Also find "],[" the amount of sand (in kg)."],[" Find the whole anantity if."]

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