A mixture of spirit and water measure 80 gallons. It contains 20% water. How much water should be added to it so that water may be 25%?
A. 25/3gallons
B. 19/3gallons
C. 22/3gallons
D. 16/3gallons
E. 28/3gallons

• `16/3 gallons
  
• 9 years agoHelpfull: Yes(0) No(1)
• 20% of mixture=16 gallon(water contain)
  to make it 25% we added x gallon to mixture so that we get equation..
  (16+x)/(80+x)=25%
  we get x=6/3 gallon
• 7 years agoHelpfull: Yes(0) No(0)