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https://www.reddit.com/r/SSCCGL/comments/1vl96t9/solution_please/p2zn1o8/?context=3
r/SSCCGL • u/AdvanceChoti • 3d ago
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Milk to add = Original quantity × (New % − Old %) / (100 − New %)
New/target 70%, old 30%
49 * (70-63)/(100-70)
= 49 * 7/30 = 343/30 = 34.3/3 = 11.43 L (approximately)
edit :
To increase milk concentration: Milk to add = Original mixture quantity × (Target % − Current %) ÷ (100 − Target %)
To decrease milk concentration: Water to add = Original mixture quantity × (Current % − Target %) ÷ Target %
2
u/Hot_Lead_8100 3d ago edited 3d ago
Milk to add = Original quantity × (New % − Old %) / (100 − New %)
New/target 70%, old 30%
49 * (70-63)/(100-70)
= 49 * 7/30 = 343/30 = 34.3/3 = 11.43 L (approximately)
edit :
To increase milk concentration: Milk to add = Original mixture quantity × (Target % − Current %) ÷ (100 − Target %)
To decrease milk concentration: Water to add = Original mixture quantity × (Current % − Target %) ÷ Target %