The task is to generate the correct answer for a given math problem.

Q: Problem: seed mixture x is 40 percent ryegrass and 60 percent bluegrass by weight ; seed mixture y is 25 percent ryegrass and 75 percent fescue . if a mixture of x and y contains 40 percent ryegrass , what percent of the weight of this mixture is x ?

A: 100 %
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Q: Problem: income and expenditure of a person are in the ratio 7 : 6 . if the income of the person is rs . 14000 , then find his savings ?

A: 2000
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Q: Problem: if two positive numbers are in the ratio 1 / 7 : 1 / 4 , then by what percent is the second number more than the first ?

A:
75 % .
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