Taking 20 Percent Off
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|NASA Lewis Learning Technologies Project|
|If a $900 computer is on sale for 20 percent off, what is the sale price? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.|
|Levels:||Elementary, Middle School (6-8), High School (9-12)|
|Resource Types:||Problems/Puzzles, Web Interactive/Java|
|Math Topics:||Basic Operations, Fractions/Decimals/Percents|
The Math Forum is a research and educational enterprise of the Drexel University School of Education.