Solve the Problem $y$ , to Build an Oil Platform Of $x$

Multiple Choice

Solve the problem. Round to two decimal places unless otherwise indicated.
-Suppose the cost per ton, $y$ , to build an oil platform of $x$ thousand tons is approximated by $y = \frac { 62,500 } { x + 125 }$ . What is the cost per ton for $x = 20$ ?

A) $\$ 3000.00$
B) $\$ 431.03$
C) $\$ 3125.00$
D) $\$ 25.00$