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Mathematics 24 Online
OpenStudy (anonymous):

please help!!! A balloon with a small leak in it shrinks 2/5 times its initial size to 1 6/7 inches in diameter. what was its original size?

OpenStudy (mathmale):

Why not use an algebraic approach? Let the initial diameter be x. Then (2/5) x = 1 6/7 inches. How would you solve for x? Note: this problem involves division by a fraction. What are the rules for that?

OpenStudy (anonymous):

Thanks, but I figured out it was 4 7/14

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