Answer:21
Step-by-step explanation:
The slope of the line is -1/7, so the perpendicular line has a slope of 7
160,000/4 = n
n = 40,000
Answer: n = 40,000
If an number is an absolute value, it means that the number will be positive. You would plug and check the same way you would for any other equation and it a solution is considered extraneous if the equation is not equal
