A waitress's income consists of her salary and tips.During one week ,her tips were 9/4 of her salary.What fraction of her income for the week came from tips? Choose the correct option:
A) 9/13  B) 1/6  C) 1/3  D) 4/9  E) 5/9
Her tips were 9/4 of her salary.   Let's say her salary =$4   This mean her tips = (9/4)($4) =$9   So, her TOT9/13L INCOME =$4+$9=$13   What fraction of her income for the week came from tips   $9$134+ 9= 
<gadget id="calculator">4+ 9</gadget>
<output>13</output>
$13   What fraction of her income for the week came from tips   $9$13=9/13   =9/13
<result>A</result>
A waitress's income consists of her salary and tips.During one week ,her tips were 9/4 of her salary.What fraction of her income for the week came from tips?