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Over a 20-year period, a certain city recorded a total rainfall of 621 inches. The rainfall during this past year was 28 inches. If the variable r stands for the total amount of rain for the other 19 years, which of the following would be a reasonable value for this variable?A.30 inchesB.100 inchesC.600 inchesD.700 inches
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Earn +20 ptsQ: What is a 20-year period called?
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