there is 100 litters solution of milk and water. the concentration of milk decrease by the same percentage points when 50 litters water is added as it increases when 25 litters of milk added. what was the initial ratio of milk and water .?
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Answer:
2:5
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Step-by-step explanation:
Given:
The ratio of Milk and Water = 7:5
When 15 litres of water added, the ratio becomes 7:8.
Calculation:
The initial ratio of milk and water = 7x : 5x
When 15 litres of water added
(7x) / (5x + 15) = 7/8
→ 56x35x + 105
→ 21x = 105
⇒ x = 5
Quantity of water in new mixture
→ 8 × 5 = 40
:: The quantity of water in new mixture is 40 litres.
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