Round to Two Decimal Places Unless Otherwise Indicated $\frac { 900} { x+30^{\prime} }$

Multiple Choice

Round to two decimal places unless otherwise indicated.
If the average cost per unit C(x) to produce x units of plywood is given by C(x) , what is the
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C ( x ) = $\frac { 900} { x+30^{\prime} }$
unit cost for 20 units?

A) $45.00
B) $1.50
C) $18.00
D) $15.00