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30-11-2017
Mathematics

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Jeremy bought four books the cost of three of the books were $13, $10 and $15. the average cost of the four books is at least $14. what is the minimum cost of the fourth book?

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rdehart1208p0csoy rdehart1208p0csoy

02-12-2017

(13+10+15+x)÷4=14
X=18
$18

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