A violinist practices one hour a day from Monday through Friday. How many hours must she practice on Saturday in order

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Grockit

A violinist practices one hour a day from Monday through Friday. How many hours must she practice on Saturday in order to have an average (arithmetic mean) of two hours a day for the six-day period?

A. 5
B. 6
C. 7
D. 8
E. 12

OA C