Answer:
5
Step-by-step explanation:
4(5+n)=4(n+p)
20+4n=4n+4p
4p=20
p=20/4
p=5
Answer: 3 mi/h
Step-by-step explanation:
Here we have to find the speed 
at which Sarah walks to school, knowing the distance 
she has walked and the time 
she expends.
So, in this case we can use the following equation:
Where:
Solving:
This is Sarah's speed
Answer:yes
Step-by-step explanation:
Answer:
The equation is 
.
Step-by-step explanation:
Let 
represent the number of laps Jay run, and 
the number of minutes it takes him to run those laps.
We know that it it takes Jay 25 minutes to run 10 laps; therefore, the number of laps jay runs per minute is:
So, if Jay runs for minutes, the number of laps he will run be:
Answer:
Step-by-step explanation:
5x-2y-12=0
5x-2y+12-12=0+12
5x-2y=12
5x-5x-2y=12-5x
-2y=12-5x
(-2y)/-2=(12-5x)/-2
y=5/2x-6
slope= 5/2x up 5 over 2
y-intercept is -6
