The table shows the relationship between the length, in
inches, of a rectangular package and the cost to mail it.
Length
Cost
1 2 3 4 5
$3.50 $8.50 $23.50 $54.50 $107.50
the equation C(I) = 6 - 2 + 1 + 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
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