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

[EX Q]: Problem: the average weight of 4 person ' s increases by 8.5 kg when a new person comes in place of one of them weighing 95 kg . what might be the weight of the new person ?
[EX A]: 129 kg

[EX Q]: Problem: a 10 % stock yields 8 % . the market value of the stock is :
[EX A]: rs . 125

[EX Q]: Problem: when a merchant imported a certain item , he paid a 7 percent import tax on the portion of the total value of the item in excess of $ 1,000 . if the amount of the import tax that the merchant paid was $ 94.50 , what was the total value of the item ?
[EX A]:
$ 2,350