If Sharon's weekly salary increased by 16 percent, she would earn $406 per week. If instead, her weekly salary were to increase by 20 percent, how much would she earn per week?  Choose one.
A) $420	B) $382	C) $385	D) $392	E) $399
(406/116)120 =420   In this case long division does not take much time.   (406/116)= 
<gadget id="calculator">(406/116)</gadget>
<output>7/2 = around 3.5</output>
3.5   35*12= 
<gadget id="calculator">35*12</gadget>
<output>420</output>
420(350+70)   $420nswer $420
<result>A</result>
If Sharon's weekly salary increased by 16 percent, she would earn $406 per week. If instead, her weekly salary were to increase by 20 percent, how much would she earn per week?