They are collinear points and are called planes.
Given Situation : If 5 days ago is Friday, then what day of the week will be the day after tomorrow.
Answer:
If 5 days ago is Friday.
DAY1 is
- Saturday
DAY 2 is
- Sunday
DAY 3 is
-Monday
DAY 4 is
- Tuesday
DAY 5 is today
- And today is Wednesday
DAY 6
- Tomorrow is Thurdays
DAY 7
- Which is the day after tomorrow is Friday
Thus, the day that we are looking is Also Friday.
hope this helps-------------
Answer:
First mechanic worked 20 hours and second mechanic worked 5 hours
Step-by-step explanation:
Let the number of hours the first mechanic worked = 
Let the number of hours the second mechanic worked = 
Therefore, we can write 2 equations and then solve them simultaneously:


Rearranging the first equation: 
and substituting into the second equation to find
:


Now sub
into the first equation to find 

Therefore, first mechanic (a) worked 20 hours and second mechanic (b) worked 5 hours