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7th Grade Percent Equation and Proportion
Jessica Barretton 16 January 2013
Transcript of 7th Grade Percent Equation and Proportion
percent equations to find the percent of a
number. Percent Proportion Mrs. Barrett
7th Grade Math
January 16, 2013 Vocabulary Percent Proportion - one ratio or fraction
compares part of a quantity to the whole
Percent Equation - used to find the part,
percent, or whole of a problem.
part = percent x whole 4 out of 5 is 80% What number is 12% of 150?
Part = Percent x whole
p = 0.12 x 150
p = 18 What percent of $15 is $9? The Percent Equation part = percent x whole Check!!! Does ?? Yes it does!! Can you do it??!! What percent is 25 of 20? 12.72 is what percent of $50? 40% of what number is 26? ** hint when the problem says of #, the # after of is usually the whole. What is 6% of 200? 39 is 84% of what number? Test Tomorrow!!! Review these concepts.... Complex Fractions Proportions
Percents Rate of Change