Try another version of this question Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Roy bought several books. The cost of each book was `$9.97`, `$21.47`, `$30.94`, `$22.38`, and `$14.26`. What is the mean price of the books Roy bought?
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Enter DNE for Does Not Exist, oo for Infinity 19.80