chalk contains 10% calcium 3% carbon 12% Oxygen and the remaining send find the amount of carbon calcium in grams in 2 whole 1 by 2 kg of chalk also find the amount of sand in kg
mystery001:
25 is the answer
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75% because if u subtract 10%+3%+12% by 100% equal to 75%
this i know
it is half answer
more work you do
xxx
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