Answer:
soory this is for points
Step-by-step explanation:
Yes, because the afternoon rate is just the morning rate split in half. Instead of checking the temperature every hour and a half, the temperature was checked every 45 minutes. And, the temperature rate was also split in half when the time was split in half. So basically, if the 2 degrees every 45 minutes was multiplied by 2,(both the time and the temperature) or if the 4 degrees every 90 minutes was divided by 2, (once again, both the time and the temperature) then, they would both be either 2 degrees every 45 minutes, or they would both be 4 degrees every 90 minutes.
Answer:
20 messages per hour
Step-by-step explanation:
160 messages in 4 hours
160/4
= 20
20 messages per 1 hour
Answer: Robert has 22 video games.
Step-by-step explanation:
Let be "r" the number of video games that Robert has and "s" the the number of video games that Samuel has.
Set up a system of equations:

You can use the substitution method to solve the system:
- You need to substitute the first equation into the second equation and solve for "s":

- Finally you must substitute the value of "s" into the first equation and evaluate:
