Question 10085
Right, fairly simple to set up:


$39.95 per day plus $0.15 per mile over 100 miles (customer allowed 100 miles per day of hire)


Let x = number of miles CHARGED for...


so, for 2 days we have (39.95*2) + 0.15y = 103.60, whci simplifies as follows:


79.90 + 0.15y = 103.60
0.15y = 23.70
y = 158 miles charged for.


Since customer had car 2 days, he had 200 miles free, so he must have travelled 358 miles.


jon.