Question 2
On a Saturday afternoon, Armand sent m text messages each hour for 5 hours, and Tyrone sent p text messages each hour for 4 hours. Which of the following represents the total number of messages sent by Armand and Tyrone on this Saturday afternoon?
A. $9mp$
B. $20mp$
C. $5m + 4p$
D. $4m + 5p$
E. None of the above
**Editorial note for this self-study exercise:** Enter the letter of the correct option.
A. $9mp$
B. $20mp$
C. $5m + 4p$
D. $4m + 5p$
E. None of the above
**Editorial note for this self-study exercise:** Enter the letter of the correct option.