Answer:
135
Step-by-step explanation:
simply You're asked 15% of 900 so
900 x 15/100 =135
Two cups in a pint,at least here in the us
The independent variable (the one they want) is the # of hours worked, since that determines the price.
All the other answers contain information not included in the problem
$13.52-$2=$11.52

Kareem was billed for 96 minutes.
Hope this helps. - M