Answer:
A. Ling
Explanation:
we want to find the hourly earning
Ling earns $108 for working 9 hours.
hourly earnings is
108/9=$12 per hour
Rachel earns $77 for working 7 hours.
hourly earnings is
77/7=$11 per hour
Ruben earns $92 for working 8 hours.
hourly earnings is
92/8=$11.5 per hour
Patrick earns $115 for working 10 hours.
hourly earnings is
115/10=$11.5 per hour