The key to solving most Rate problems is to set them up as proportions, convert units if necessary, and solve for the unknown value:
Solving Rates: The Textbook Approach
A waitress serves 3 diners every 5 minutes. At this rate, how many customers will she serve in one hour?
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Set up a proportion. |
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Convert units. |
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Cross-multiply and solve. |
Video Lessons and 10 Fully Explained Grand Tests
Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.