A mixture of 100 liters of spirit and alcohol contains 25% alcohol, how much more alcohol shoui
be added to the mixture to increase the percentage of alcohol to 30% in the new mixture?
d. 7.14 liters
a.
3.33 liters
b. 4 liters
c. 5.67 liters
Answers
Answered by
3
Step-by-step explanation:
in mixture
water:alcohal= 3:1
alcohal=25liters
watef= 75liters
let x liter alcohar mix then
(100+x)*30/100=25+x
300+3x= 250+10x
50=7x
x=50/7liter
= 7.14liter
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