Mathematics, 21.05.2021 14:00 CheddaDsk
Devi mixes coffee powder that cause dollar 2.50 per KG with coffee powder that cause dollar 3.50 per KG given that she sells 20 kg of the mature at $2.80 per KG such that she does not make any prof better in car any laws find the mass of which type of coffee powder that uses for the mixture
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Devi mixes coffee powder that cause dollar 2.50 per KG with coffee powder that cause dollar 3.50 per...
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