
Martin P. answered 09/11/17
Tutor
4.9
(20)
From Educator to Engineer
40 * 2 = $80
38 * 2.10 = $79.80
36 * 2.20 = $79.20
$2 books provide optimized price
K J.
asked 09/11/17Martin P. answered 09/11/17
From Educator to Engineer
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