In two types of powder detergent the ratio of soda and soap-dust is 2:5 and 3:4. If 10 kg of the first type is mixed with 15 kg of the second type find the ratio of soda to soap-dust in the new detergent mixture.
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Answer:
The ratio of mixture of soda and soap in first kind of washing powder = 2:3
The ratio of mixture of soda and soap in second kind of washing powder = 4:5
Concentration of soap as fractions in first kind washing powder
Concentration of soap as fractions in second kind washing powder →
mixing 10 kg of first washing powder with 18kg of second washing powder, then →
Quantity of new washing powder = (10 + 18) kg = 28 kg
Quantity of soap in new washing powder
= 6 + 10 = 16 kg
Quantity of soda in new washing powder = 28 – 16 = 12 kg
Hence, ratio of soda to soap = 12:16
= 3: 4
Part of soap water in the new washing powder is 4/7
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Answer:
4/6
Step-by-step explanation:
Explanation is given in the pic attached
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