1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Equation from a riddle

  1. Mar 12, 2010 #1
    1. The problem statement, all variables and given/known data

    Best Rentals charges a daily fee plus a mileage fee for renting its cars. Jack was charged 40 $ for 500 kilometers, while Kelly was charged 70 $ for 1000 kilometers. What does Best Rental charge per day and per kilometer?

    3. The attempt at a solution

    I want to confirm my steps if it's right ,,,,

    x+500y=40 and x+1000y=70

    by using the system of the equations i will get the answer

    am I right ?
  2. jcsd
  3. Mar 12, 2010 #2


    User Avatar
    Science Advisor

    Looks OK to me.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook