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Published byKarin Bridges Modified over 8 years ago
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POD 3 12g= 846 428 = 5t t= 85.6 g= 70.5 ÷12 ÷5 Cole saves his change in a jar at home. Over the last five years he has saved $428. On average, how much has he saved each year? Write an equation and solve.
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The Percent Equation You can also find the missing part (p), percent (n), or whole (w) by using the percent equation. The percent equation is: part = percent whole
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3 is 50% of 6 3 = 0.50 × 6 Part percent whole Note that the percent is written as a decimal.
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is= % decimal of× whatvariable What is 20% of 25? p =.20 × 25? 12 is what percent of 26? 12 = n × 26?
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type exampleequation Find the percent Find the part Find the whole 3 is what percent of 6? 3= n 6 p= 0.5 6 3= 0.5 w3 is 50% of what number? What number is 50% of 6?
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I do What number is 12% of 150? p = 0.12 150 p = 18
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I do 2 21 is what percent of 40? 21 = n 40 n = 0.525 ÷40 ÷40 So, 21 is 52.5% of 40.
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I do 3 13 is 26% of what number? 13 = 0.26 w w = 50 ÷0.26÷0.26 So, 13 is 26% of 50
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Whiteboard time Write the equation What percent of 40 is 9? 9 = n 40 ÷40 n = 0.225 9 is 22.5% of 40
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Write the equation What is 6% of 200? p = 0.06 200 p = 12 6% of 200 is 12
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Write the equation 39 is 84% of what number? 39 = 0.84 w w = 46.4 39 is 84% of 46.4 ÷0.84
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Write the equation Of the 257 sandwiches sold at a delicatessen one day, 45 were turkey sandwiches. What percent of the sandwiches were turkey? 45 = n 257 n = 0.175 45 is 17.5% of 257 ÷257 45 is what percent of 257?
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