Task: Question Answering
Input (English): Problem: the price of a bushel of corn is currently $ 3.20, and the price of a peck of wheat is $ 6.80. the price of corn is increasing at a constant rate of 5 x cents per day while the price of wheat is decreasing at a constant rate of x ( 2 ^ 1 / 2 ) - x cents per day. what is the approximate price when a bushel of corn costs the same amount as a peck of wheat ?
Options: a. $ 4.50, b. $ 5.10, c. $ 5.30, d. $ 5.50, e. $ 6.50
Output (English): e