1.

The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:

A. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-divident">3</td> </tr> <tr class="ga-tr-divisort" align="center"> <td class="ga-td-divisor">5</td> </tr> </tbody></table>
B. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-divident">3</td> </tr> <tr class="ga-tr-divisort" align="center"> <td class="ga-td-divisor">10</td> </tr> </tbody></table>
C. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-divident">4</td> </tr> <tr class="ga-tr-divisort" align="center"> <td class="ga-td-divisor">5</td> </tr> </tbody></table>
D. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-divident">4</td> </tr> <tr class="ga-tr-divisort" align="center"> <td class="ga-td-divisor">3</td> </tr> </tbody></table>
Answer» D. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-divident">4</td> </tr> <tr class="ga-tr-divisort" align="center"> <td class="ga-td-divisor">3</td> </tr> </tbody></table>


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