The equation a = 640 s gives the relationship between s square miles and a acres. Pam owns 7.5 square miles of farmland. How many acres does she own?

Elementary Algebra
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Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 8.177TI: The distance an object falls is directly proportional to the square of the time it falls. A ball...
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The equation a = 640 s gives the relationship between s square miles and a acres. Pam owns 7.5 square miles of farmland. How many acres does she own?

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