The Revenue R (In Dollars)for Selling X Units of an Infant

Multiple Choice

The revenue R (in dollars) for selling x units of an infant stroller is modelled by $R = x \left( 50 - \frac { 1 } { 4 } x \right) , 0 < x < 100$ . Find the number of strollers that must be sold to produce a revenue of $2176 . Round your answer to the nearest integer.

A) 26 strollers
B) 64 strollers
C) 45 strollers
D) 32 strollers
E) $43$ strollers