Can you pass this Famous People quiz?
Johnny Cash performed a concert in this prison.
San Palo Prison
Folsom Prison
Alcatraz Island
Block Island Prison
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Erin reads an average of 20 books per year. She read 23, 17, 20, and 19 books in four different years. How many books did Erin read in the 5th year to make it an average of exactly 20.0 per year?