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Last year, Austin, Texas received 20 inches of rainfall. This year, Austin received 18 inches of rainfall. Find the percent of decrease in the number of inches of rainfall. Round your answer to the nearest tenth of a percent, if necessary.
 one year ago
 one year ago
Last year, Austin, Texas received 20 inches of rainfall. This year, Austin received 18 inches of rainfall. Find the percent of decrease in the number of inches of rainfall. Round your answer to the nearest tenth of a percent, if necessary.
 one year ago
 one year ago

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Student247Best ResponseYou've already chosen the best response.0
Do you know how to find the percent decrease?
 one year ago

ms.hiBest ResponseYou've already chosen the best response.0
i need help with percents period
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
dw:1357674356963:dw If answer is negative, it's a percent decrease. If answer is positive, it's a percent increase. This year 18 inches is new number. Last year 20 inches is old number. Just use these numbers in the formula and you'll get the answer.
 one year ago
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