Problem 7 of 25sta-007
A bar chart shows how many books five students read last month: Ana 6, Ben 3, Cruz 9, Dee 4 and Eli 2. What fraction of all the books read by the five students did Cruz read?
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Solution walkthrough1:33
- Each bar is one student. Its height is the number of books: , , , and .
- The whole is all five bars added together: books.
- The part is the bar for Cruz, books. Part over whole is .
- Both and divide by , so .
- Traps: counts students, is over the other books, and is upside down.