It´s impossible ear $190,000 per week with this ratio, I believe she wants to earn appox. $190.000 per week=$190 per week
ratio=$8.35 / 1h
you can solve this problem by the rule of three.
$8.35 -----------------------1 h
$190------------------- x
x=($190 * 1h) / $8.35=22.754...≈23
Answer; she need work 23 hours per week .
