Answer:
48 hours
Step-by-step explanation:
328.80 a week, and a 6.85 hourly rate.
To find hours worked:
$328.80 (total earned) / $6.85 (earned hourly) = 48 hours
SY = 16
XY = 12
15/20 = 12/SY
15SY = 240
15/20 = 9/XY
15XY = 180
