Question

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. $4m+5p$

Answer 1

Answer: (C)

$5m+4p$

Since, $\text{Armand sent m text messages each hour for 5 hours.}$

$\therefore \text{Total messages sent by Armand}=5m$

and $\text{Tyrone sent p text messages each hour for 4 hours}$

$\therefore \text{Total messages sent by Tyrone}=4p$

$\therefore \text{Total messages sent by both}=5m+4p$

Option C is correct.