5.07 Rewrite expressions to understand relationships

Consider the case when $n$n is even and $m$m is odd.

In a particular year, Re-source Waste Recovery produces sewage treatment plants at a cost of $\$u$$u per plant. Re-source Waste Recovery also pays a fee of $\$b$$b per year for its use of the production facilities.

A clothing store receives a shipment of jackets and skirts. The jackets come in blue boxes containing $6$6 jackets each, while the skirts come in red boxes containing $5$5 skirts each. In this shipment, there are $x$x blue boxes and $y$y red boxes.