Answer:
$47
Step-by-step explanation:
If she spent 47, and had none after, she spent 47.
$4 an hour
5 hours per week times 8 weeks is 40 hours
$160 divided by 40 hours is $4/hr.
y-y1=m(x-x1)
y-2=1/3(x-3)
y=1/3x+1