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?

Namrata andRabia had some conversation through messages. Namrata has sent n messages in 1 hours and Rabia has sent r messages in equal amount of time. Which of the following represents the total number of messages sent in 3 hours?

A text messaging plan charges a flat fee of $5 per month for up to 100 text messages sent plus $0.25 for each additional text message sent that month. Which of the following graphs represents the cost, y, of sending x texts in a month?

The figure above shows the number of emails sent per day plotted against the number of hours an adult works on a computer per day. Which of the following best estimates the average rate of change in the number of emails sent compared to the number of hours working on a computer?

A single bacterium is actively growing in a medium that supports its growth to a number of 100 million. Assuming the division time of the bacterium as 3 hours and the life span of non-dividing bacteria as 5 hours, which ONE of the following represents the maximum number of bacteria that would be present at the end of 15 hour ?

Prachi took a total of 2 hours to write 30 party invitations. Which of the following equations can be used to find m, the number of minutes Prachi took to write 1 invitation?

last week, Ben, Kaltiyn, and Emily sent a total of 394 text messages from their cell phones. Kaitlyn sent 50% moer text messages than Ben, and Ben sent 30 fewer messages than emily. How many text message did kaitlyn send?

The histogram above shows the number of mobile text message sent by a randomly selected group of 27 people on a given day. The average number of text message sent per person is closest to what whole number?

A local restaurant is hosing a dance-a-thon for charity. Each couple must dance a minimum of three hours before earning any money for the charity. After the first three hours, couples earn $50 per half-hour of continous dancing. Which expression represents the total amount earned by a couple who dance h hours, assuming they dance at least three hours ?