The task is to generate the correct answer for a given math problem.
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Question: Problem: in what time will a train 50 m long cross an electric pole , it its speed be 360 km / hr ?

Answer: 0.5


Question: Problem: a 340 - liter solution of kola is made from 88 % water , 5 % concentrated kola and the rest is made from sugar . if 3.2 liters of sugar , 10 liter of water and 6.8 liters of concentrated kola were added to the solution , what percent of the solution is made from sugar ?

Answer: 7.5 % .


Question: Problem: a tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume . if 2,500 gallons of water evaporate from the tank , the remaining solution will be approximately what percent sodium chloride ?

Answer:
6.67 %