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Answer:
T = 33
Step-by-Step :
T ( <u><em>Total Pages In The Research Paper</em></u> )
$7 ( <u><em>Amount For The First 3 Pages</em></u> )
$3 ( Per Additional Pages )
$97 ( <em><u>Total Amount That Has Been Paid For The Research Paper</u></em> )
Explanation:
To Find ( T ) You First Start With..
( <u><em>Amount For The First </em></u><u><em>3</em></u><u><em> Pages</em></u> ) <em>SUBTRACTED BY </em>( <em><u>Total Amount That Has Been Paid For The Research Paper</u></em> ) = $90
$90 <em>DIVIDED BY </em>( <u><em>Each Additional Page</em></u> ) = 30 ( <u><em>Pages )</em></u>
30 ( <u><em>Pages</em></u> ) PLUS ( <u><em>The First 3 Pages</em></u> ) = ( <u><em>Total Pages In The Research Paper</em></u> )