Convert among fractions, decimals, and percents and choose the most useful form for a task.
Choose the most useful rational-number form
Problem
Express \(1/4\) off in the percent form used on a store sale sign.
Big Picture
What this problem is really about
The store-sign context tells us the useful target form is a percent, while one fourth describes the portion removed from the price. We’ll scale the fraction to an equivalent amount out of one hundred and read that numerator as the discount percent. Keeping removed and remaining portions distinct prevents using the complement by mistake.
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