An accounting-firm employee is asked to shred 900 documents.
If he can shred documents at a rate of 7 per minute, the number of documents remaining after 11/2 hours of shredding is __________.
A. 630
B. 90
C. 270
D. 810
An accounting-firm employee is asked to shred 900 documents.
If he can shred documents at a rate of 7 per minute, the number of documents remaining after 11/2 hours of shredding is __________.
A. 630
B. 90
C. 270
D. 810