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P ercentage. Luis Maldonado Period 1 Adelante 2014 7/7/14. Vocabulary definitions. Percentage problem solving video. Percentage Problems. 1.5 = 150%3 Problem 1: The original price of a shirt was $20. It was decreased to $15 . What is the percent decrease of the price of this shirt .
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Percentage Luis Maldonado Period 1 Adelante 2014 7/7/14
Percentage Problems • 1.5 = 150%3 • Problem 1: • The original price of a shirt was $20. It was decreased to $15 . What is the percent decrease of the price of this shirt. Solution to Problem 1: The absolute decrease is 20 - 15 = $5 The percent decrease is the absolute decrease divided by the original price (part/whole). percent decease = 5 / 20 = 0.25 Multiply and divide 0.25 to obtain percent. percent decease = 0.25 = 0.25 * 100 / 100 = 25 / 100 = 25%
Resources • <iframe width="420" height="315" src="//www.youtube.com/embed/X1gAxh3ztoo" frameborder="0" allowfullscreen></iframe> • http://www.analyzemath.com/percent/percent_math_problems.html • http://dictionary.reference.com/