Answer: $603.75 per week
Explanation: 11.50 / 60 minutes = 0.19166666666
0.19166666666 x 450 minutes = 86.249999997
86.249999997 x 7 days = 603.749999979
If you round 603.749999979 to the nearest hundredth, you
get 603.75.
Therefore, Amanda made $603.75 that week.