The exact name of the postulate isn't coming to mind, but it's the postulate that any three points that are not on the same line will form a unique plane. A plane in mathematics is a flat surface that extends in all directions.
Mmmm c i’m thinking it’s that
The answer is the 1st one
You divide the difference of the y-coordinates of 2points on a line by the difference of the x-coordinates of the same 2points
This is a proportion problem. Start by doing:
2/3 = x/52.20
Multiply both sides by 52.20
X= 34.8 this is how much the son paid
Now add 34.8 + 52.20
Answer is 87
