Maths
posted by Jannie .
A taxi driver averages $15 per trip. He pays
$150 per day to the cab company to hire the
taxi. How many trips must he make in a day
to have at least $120 at the end of his shift?
(Ignore the cost of fuel.)
Write inequality?

$150 + $120 = $15x
$270=$15x
270/15=18 trips