Task: Question Answering
Input (English): Problem: circular gears p and q start rotating at the same time at constant speeds. gear p makes 10 revolutions per minute and gear q makes 40 revolutions per minute. how many seconds after the gears start rotating will gear q have made exactly 45 more revolutions than gear p ?
Options: a. 45, b. 80, c. 90, d. 100, e. 120
Output (English): c