The alcohol content of a jar of whiskey is 40%. A portion of this whiskey was substituted with another that had 19 percent alcohol, resulting in a proportion of alcohol of 26 percent. The amount of whiskey that has been replaced is:
A. 1/3
B. 2/3
C. 2/5
D. 3/5
Answer:B
The alcohol content of a jar of whiskey is 40%. A portion of this whiskey was substituted with another that had 19 percent alcohol, resulting in a proportion of alcohol of 26 percent. The amount of whiskey that has been replaced is:
A. 1/3 B. 2/3 C. 2/5 D. 3/5
Explanation: As a result of the alligation rule, we have,As a result, the ratio of the first and second values is 7:14 = 1:2.2/3 of the required quantity must be refilled.