Source:New SAT Study GuideSAT Study Guide Explanations, Test 2; Test 2, Section 4; #31

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How long will it take, in years, for the country's beaches to erode by 21 feet?

A coastal geologist estimates that a certain country's beaches are eroding at a rate of 1.5 feet per year. According to the geologist's estimate, how long will it take, in years, for the country's beaches to erode by 21 feet?

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GravatarChris Lele, Magoosh Tutor

Apr 20, 2016 •Comment

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Test 2, Section 4

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