Question 110040
{{{A(x)=(-0.4x^2+24x+42)/x}}} I assume this is the problem.
{{{A(25)=(-0.4*25^2+24*25+42)/25}}} 
{{{A(25)=-0.4*25+24+(42/25)}}} 
A(25)=-10+24+1.68
A(25)=$15.68
Ed