SOLUTION: I can rent a car for a $4 initial charge and $4 per hour. y=4+4x. another place has same car for #3 initial charge and %5 per hour. y=3+5x. how many hours is the total charge the s

Algebra ->  Linear-equations -> SOLUTION: I can rent a car for a $4 initial charge and $4 per hour. y=4+4x. another place has same car for #3 initial charge and %5 per hour. y=3+5x. how many hours is the total charge the s      Log On


   

Question 269094: I can rent a car for a $4 initial charge and $4 per hour. y=4+4x. another place has same car for #3 initial charge and %5 per hour. y=3+5x. how many hours is the total charge the same?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y=4+4x
y=3+5x
4+4x=3+5x
4x-5x=3-4
-x=-1
x=1 hour the charges are equal.
Proof:
4+4*1=3+5*1
4+4=3+5
8=8