Answer:
9
Step-by-step explanation:
So first I created 2 distance forumlas and set them equal to each other

then I simplified them





when k = 9, the two distances are equal
Answer:
m= 450 - (5*n)
Step-by-step explanation:
m is the money left
n is the days
The slope is

So, the equation is

The y-intercept is when x=0, so
