SOLUTION: A car rental co. charges a daily fee plus a mileage fee. Joe was charged $429 for 5 days and 300 km., while Mary was charged 315 for 3 days and 500 km. What does the car rental co.

Question 307539: A car rental co. charges a daily fee plus a mileage fee. Joe was charged $429 for 5 days and 300 km., while Mary was charged 315 for 3 days and 500 km. What does the car rental co. charge per day and per kilometre ? Thanx for your help.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
5D+300M=429 MULTIPLY BY 3.
3D+500M=315 MULTIPLY BY -5 & ADD.
15D+900M=1,287
-15D-2500=-1,575
-------------------
-1600M=-288
M=-288/-1,600
M=.18 PRICE PER MILE DRIVEN.
5D+300*.18=429
5D+54=429
5D=429-54
5D=375
D=375/5
D=75 IS THE DAILY RENTAL RATE.
PROOF:
3*75+500*18=315
225+90=315
315=315
RELATED QUESTIONS
Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was... (answered by josgarithmetic)

Solve by elimination method. Best Rentals charges a daily fee plus a mileage fee for... (answered by KMST)

Please help with the following word problem? Best Rentals charges a daily fee plus a... (answered by htmentor,solver91311)

Discount Rental Cars charges a daily fee plus a mileage fee for renting its cars. Barney... (answered by ikleyn)

Best rentals charges a daily fee plus a mileage fee for renting its cars. Barney was... (answered by macston)

Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was... (answered by mananth)

Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was... (answered by stanbon)

A car rental agency charges a daily fee plus a mileage fee. Mr. Jones was charged $375... (answered by Theo)