.) \( \frac{30}{50}+4 \)

To solve the expression \( \frac{30}{50}+4 \), first simplify the fraction. \( \frac{30}{50} \) simplifies to \( \frac{3}{5} \) when divided by 10. Now, you can convert \( 4 \) into a fraction with a denominator of 5. This means rewriting it as \( \frac{20}{5} \). Adding these fractions together gives \( \frac{3}{5} + \frac{20}{5} = \frac{23}{5} \), or 4.6 in decimal form! Now, if you're wondering where this expression shows up, consider budgeting. Many budgets track expenses and income as fractions or percentages. Understanding how to manipulate fractions makes it easier to assess financial decisions—like seeing what part of your income you're saving or spending. Being savvy with fractions can help turn financial chaos into harmony!