Joanna has a big paper due. Yesterday, she started typing her hand-written draft. She typed 861 words of it and saved her work to
continue later. If she types at a rate of 50 words per minute, and the paper is 1,461 words long, how much more time does she have
to spend typing?
A. 17 minutes
B. 20 minutes
C.15 minutes
D. 12 minutes