If you would like to know how many hours must Lila work to earn $105, you can calculate this using the following steps:
$8.75 ... 1 hour
$105 ... x hours = ?
8.75 * x = 1 * 105
8.75 * x = 105 /8.75
x = 105 / 8.75
x = 12 hours
Result: Lila must work 12 hours to earn $105.