Answer:
30 dollars.
Step-by-step explanation:
Because it already gave you the expression:
E(h) = 10h
Since h represents the hours she worked, then simply replace h with 3, because she has worked 3 hours. Then solve.
E(h) = 10(3)
E(h) = 30
She makes 30 dollars if she tutors for 3 hours.
