Problema Solution

Primo car rental agency charges ​$

20

20 per day plus ​$

0.10

0.10 per mile. Ultimo car rental agency charges ​$

30

30 per day plus ​$

0.50

0.50  per mile. Find the daily mileage for which the Ultimo charge is

four times

four times the Primo charge.

Answer provided by our tutors

Let 'x' represent the daily mileage for which the Ultimo charge is 4 times the Primo charge.

For 'x' miles Primo car will charge: 20+0.10x

For 'x' miles Ultimo car will charge: 30+0.50x

30+0.50x = 4(20+0.10x)

........

click here to see the step by step solution of the equation for x

........

x = 500 mi

Ultimo with charge 4 times the Primo charge for a daily mileage of 500 miles.