On 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 Saturday afternoon?
(a) 9mp
(b) 20mp
(c) 5m + 4p
(d) 4m + 5p
On 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 Saturday afternoon?
(a) 9mp
(b) 20mp
(c) 5m + 4p
(d) 4m + 5p