The equation C(l) = l3 – l2 + l + 2.5 models the cost to mail a package as a function of its length. To the nearest quarter inch
, approximately what is the length of a package that costs $11.00 to mail? Enter your answer as a decimal.
inches
inches
2 answers:
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Price per box, P = $1.45 .
Money left, M = $1247 - $472.70 = $774.3 .
Let, number of boxes are x.
So,
Therefore, they have to sell 534 more boxes.
Hence, this is the required solution.