How many ounces of water must be added to a 30-ounce solution that is 40 percent alchol to dilute the solution to 25 percent alcohol?
Created: 5 years ago |
Updated: 3 years ago
best des
Let, amount of water that needs to be added i x
Amount of pure alcohol before the water is added = 0.40×30 = 12 ounces
Amount of pure alcohol before the water is added = 0.25 ×( 30 + x) ounces
According to question,
12 = o.25 ( 30 + x)
12 - 7.5 = o.25x
x = 18 ounces
Md Azizur Rahman
Founder of Satt
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