Do u have an attachment?? :)
Answer:
ya 5x is the right anwser
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
Divided 200000 in half to get 100000 and the same to 800 then
change to percentages 4%
4% is the answer
thank me