Which is NOT a step when writing a mathematical statement to solve a problem involving a part, whole, and percentage?

Use the information from the problem to write a second fraction.

Cross-multiply the fractions.

Place an equal sign between the two fractions.

Express the percentage as an equivalent fraction.

1 answer

The step that is NOT typically involved when writing a mathematical statement to solve a problem involving a part, whole, and percentage is:

Cross-multiply the fractions.

Cross-multiplying is a technique used to solve proportion equations, but it is not a necessary step for all problems involving percentages. The other steps mentioned are commonly involved in setting up such problems.