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Mathematics 17 Online
OpenStudy (anonymous):

Please help! :) A river created at 30 ft above flood stage. Then the water began to recede at the rate of 1/2ft per hour. Which equation relates the number of feet (h) above flood stage to the number of hours (t) that the water has been receding? a) h=1/2t+30 b) h=-1/2t+30 c) h=1/2t-30 d) t=-1/2h+30

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