Respuesta :

Answer:

Step-by-step explanation:

y= money earned , x is the number of hours

k is the constant=y/x=12

a-  y=12 x

b- if she worked 18 hours:

y=12(18)

y=216 dollars

c- if she earned 330 dollars:

330=12x

x=330/12

x=27.5 hours