Multiple Choice
Solve the problem.
-In the first two weeks of school, Jill studied 20 hours and 15 hours, respectively. How many hours must she study during the third week to give her an average of 20 hours per week?
A) 20 hours
B) 27.5 hours
C) 17.5 hours
D) 25 hours
Correct Answer:
Verified
Correct Answer:
Verified
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