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The amount of money Theresa ears at her job
varies directly with the number of hours she works.
This means that her earnings are proportional with
the time she works. She knows that when she works
2 hours, she earns $12. When she works 3 hours,
she earns $18.
a) How much would Theresa
earn after working 5 hours?
b) What is the rule for this
situation?
y = ( ) x + ( )
(a.) $
(b.) y =​