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Mathematics 13 Online
OpenStudy (anonymous):

how do I write a rational expression for this word question? Sally drives 89 miles in an hour at 70 miles per hour, Carol drives the same distance in ab hour and a half at 65 miles per hour, How much longer does Carol drive?

OpenStudy (anonymous):

= 89 [ ( 1/ 65 ) - ( 1/ 70 ) ]

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