X=2
x=15
4x+1=9
-1 -1
4x=8
4/4x=8/4=2
x/5-1=2
+1 +1
x/5=3
(5) (5)
x=15
Y = total cost
40 = The one time fee
90 = the service charge per month
x = number of months
Answer:
42580 miles
Step-by-step explanation:
Mean = 

The manufacturer does not want to replace more than 5% of the tires


By using normal table values :



Hence the approximate number of miles for the warranty is 42580 miles
Yes because 3×2= 6 , 3×5= 15, 15 + 6 = 21