###### Exercise45

The number of students enrolled in math courses at Portland Community College has grown over the years.

The formulas

\begin{aligned}M\amp =0.37x+4.1 \amp \qquad\amp \amp W\amp =0.54x+5.6\end{aligned}

describe the numbers (of thousands) of men and women enrolled in math courses at PCC $$x$$ years after 2005. Give a simplified formula for the total number $$T$$ of thousands of students at PCC taking math classes $$x$$ years after 2005. Be sure to give the entire formula, starting with T=.

in-context