SOLUTION: A car costs initial $4 charge and $4 an hour. same car $3 initial charge and $5 an hour. y=4+4x and y=3+5x so for how many hours is total charge the same

Algebra ->  Linear-equations -> SOLUTION: A car costs initial $4 charge and $4 an hour. same car $3 initial charge and $5 an hour. y=4+4x and y=3+5x so for how many hours is total charge the same      Log On


   



Question 269097: A car costs initial $4 charge and $4 an hour. same car $3 initial charge and $5 an hour.
y=4+4x and y=3+5x so for how many hours is 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