NOTE: Correction to this problem. Youtuber LddStyx pointed out that I forgot to "kill a 7 in the brakedown of 35" so the final answer to this question should be 143/12 ... Thank you LddStyx for the good eye.
Table of contents listing all instructional math videos available from Chycho TV at http://www.chycho.com/?q=math_Table_Contents
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INTRODUCTION:
http://www.chycho.com/?q=Introduction_Instructions