Solve for :
$\left( x-3\right)(2x-1) = 18$
$x = 9\frac{1}{2} \textrm{ or }x=19$
$x= -3 \textrm{ or } x= 5$
$x= - 5\textrm{ or } x= 1 \frac{1}{2}$
$x= - 1 \frac{1}{2} \textrm{ or } x= 5$
$x= -5 \textrm{ or } x= 3$
A company makes toy boats. Their monthly fixed costs are $1500. The variable costs are $50 per boat. They sell boats for $75 a piece. How many boats must be sold each month to break even?
50
60
75
100
