The task is to generate the correct answer for a given math problem.
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Question: Problem: a fair price shopkeeper takes 10 % profit on his goods . he lost 60 % goods during theft . his loss percent is :

Answer: 56 %

Question: Problem: p , q and r together earn rs . 1710 in 9 days . p and r can earn rs . 600 in 5 days . q and r in 7 days can earn rs . 910 . how much amount does r can earn per day ?

Answer: s . 60

Question: Problem: if a / b = 4 / 5 , then ( 5 a - 3 b ) / ( 5 a + 3 b ) = ?

Answer:
1 /