Task: Question Answering
Input (English): Problem: a certain sum of money is divided among a, b and c such that a gets one - third of what b and c together get and b gets two - seventh of what a and c together get. if the amount received by a is $ 15 more than that received by b, find the total amount shared by a, b and c.
Options: a. $ 250, b. $ 340, c. $ 640, d. $ 440, e. $ 540
Output (English): e