Answer:
Ahmed earned £198.00 on that weekend.
Explanation:
Given that:
Normal hourly pay = £12.00
Overtime pay =
of normal rate
Overtime pay per hour =

Overtime pay per hour = £15.00
Hours worked on Saturday = 9 hours
Amount earned on Saturday = 9*12 = £108.00
Hours worked on Sunday = 6 hours
Amount earned on Sunday = 6*15 = £90.00
Total amount earned on weekend = 108+90 = £198.00
Hence,
Ahmed earned £198.00 on that weekend.