Page 2 presents a salary comparison problem that demonstrates more complex equation solving:
Example: The Kowalski family income problem where Mrs. Kowalska earns 200 zł more than Mr. Kowalski, with their combined annual income being 72,000 zł.
Highlight: The solution includes detailed calculations for situations when a calculator isn't available.
Definition: Monthly salary calculations are converted to annual figures by multiplying by 12 months.







