Explanation

The problem has percents in the answers and no real values in the question, so it’s a Hidden Plug In; the hidden variable in this case is Evangeline’s weekly salary.

To find an easy number, try multiplying the denominators in the problem: \(8 \times 6 \times 9 = 432\), so Evangeline makes \($432\)per week. Now work the problems in bite-sized pieces.

She spends \(\frac{3}{8} \times $432 = $ 162\) on rent, leaving her with \($432 - $162 = $270\).

Of that, she spends , \(\frac{1}{6}\) or $45, on food, leaving her with \($270 - $45 = $225\).

If she wants to put \(\frac{4}{9}\) of her weekly salary, or $192, into a savings account, then she can only spend \($225 - $192 = $33\) on entertainment.

Finally, use your onscreen calculator to determine that 33 is just over 7.6% of 432, so choices (A), (B), and (C) will all work.