Question

mindy and troy combined ate 9 pieces of wedding cake. mindy ate 3 pieces of cake and troy had $\frac{1}{4}$ of the total cake. how many pieces of cake were there in all?
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Explanation:

Step1: Find Troy's eaten pieces

$9 - 3 = 6$

Step2: Define total pieces as $x$

Troy ate $\frac{1}{4}x = 6$

Step3: Solve for total $x$

$x = 6 \times 4 = 24$

Answer:

24