The task is to generate the correct answer for a given math problem.
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Question: Problem: a solution of 70 litres contains oil and water in the ratio 9 : x . if 6 litres of water is added to the solution , the ratio becomes 6 : 4 , find the value of x ?

Answer:

Question: Problem: which number can we add to 425897 to get a number exactly divisible by 456 ?

Answer: 7

Question: Problem: a group of boy scouts and girls scouts is going on a rafting trip . 60 % of the scouts arrived with signed permission slips . if 45 % of the scouts were boy scouts and 50 % of the boy scouts arrived with signed permission slips , then what percentage of the girl scouts arrived with signed permission slips ? round to the nearest percent .

Answer:
68