Answer: 
Step-by-step explanation:
Given
Line passes through 
Equation of line when it passes through two points 

Insert the values
Find their lcm which is 4m then multiply
8m=44
m=44/8 or 5.5
by multiplication of 15 and 5.81 answer is the
87.15
The first thing you do is go two space forward like start at the o and move two spaces forward you put a decimal at 9 like this 0.90 and that's how you do it