Answer:
30 minutes
Step-by-step explanation:
the difference of your speed and your friend's speed is 6mph so you can go 6 miles per hour and 3 miles per half an hour
112 men construct 600 meters long wall in 30 days.
What is Time and Work formula?
We can find the number of persons who can construct 600 meters wall as shown below:
Here,
We have to find
Putting in formula
Hence, 112 men can construct 600 meters wall in 30 days.
Learn more about Time and Work here:
brainly.com/question/16933248
#SPJ4
Answer:
i think c is best I don no probably they gotta get a working to get the answer
The answer for this questions would be: D. 120