Answer:
180-10x=8x
+10x +10x
180=18x
180/18 = 18x/18
10=x
So therefore in 10 days, both people will have the same amount of money.
(x represents number of days, and we are solving for it.)
Answer:
C
Step-by-step explanation:
C is exactly double the graph
Answer:
-9/5
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-2-7)/(0-(-5))
m=-9/(0+5)
m=-9/5
She spent:
(5x2)+150+40= 200$
200$----> 100%
40$-----> x
With x the percentage of the total sale she spent on shoes:
X= (40x100)/200
= 4000/200
=20%