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3 years ago

9

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 $1

4. what is the minimum cost of the fourth book?

1 answer:

Anestetic [448]3 years ago

4 0

(13+10+15+x)÷4=14
X=18
$18

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