Ratio and Rates

What is a Ratio?

http://virtualnerd.com/pre-algebra/ratios-proportions/ratios/define-ratios/ratio-definition

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Rate and Unit Rate

http://virtualnerd.com/pre-algebra/ratios-proportions/rates-unit-rates/rate-unit-rate-examples/rate-and-unit-rates-definition

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How do you solve a word problem by using unit rate?

http://virtualnerd.com/pre-algebra/ratios-proportions/rates-unit-rates/rate-unit-rate-examples/rates-word-problem-solution

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How do you set up a proportion for a word problem?

http://virtualnerd.com/pre-algebra/ratios-proportions/proportionality/solving-proportions/proportion-word-problem-set-up

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How do you solve a proportion for a word problem?

http://virtualnerd.com/pre-algebra/ratios-proportions/proportionality/solving-proportions/proportion-word-problem-example