The task is to generate the correct answer for a given math problem.
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Question: Problem: a worker is paid a regular rate of rs . 30 for completing a survey . the worker completes 100 surveys per week . for any survey involving the use of her cellphone , she is paid at a rate of that is 20 % higher than her regular rate . if she completed 50 surveys involving the use of her cellphone , how much did she get that week ?

Answer: 330

Question: Problem: if a man lost 4 % by selling oranges at the rate of 72 a rupee at how many a rupee must he sell them to gain 44 % ?

Answer: 48

Question: Problem: the result when a number subtracted from 150 is the same as the number added to 68 . what is the number ?

Answer:
109