This math video review tutorial explains how to use ratios and proportions to solve word problems. You can set a proportion using two fractions to solve for the missing quantity or you can use a unit conversion dimensional analysis process to get the same result. You can use fractions to help you to solve ratio based word problems using the part part whole process. This video contains plenty of examples and practice problems and it's useful for kids in 6th grade, 7th grade, and 8th grade learning this material in prealgebra or even algebra.
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