Nancy works 4 days per week at a rate of x dollars per day. If Nancy works more than 3 days per week, any extra days are paid at double her normal rate. Nancy worked 4 weeks with no overtime, and then worked 3 more weeks, each with y days of overtime. Which of the following represents Nancy’s total earnings over this period? Choose the correct answer:  A) a) 3y(7x+2xy)  B) b) 3x+12y  C) c) 3xy(7x+2)  D) d) 3x(2y+7)  E) e) 2x(3y+4)
Payment of a week for 3 days a week = $4x   Payment of 4 weeks for 3 days a week = $4x*4 = $16x   Payment of a week for y days overtime a week 4 *4= 
<gadget id="calculator">4 *4</gadget>
<output>16</output>
$16x   Payment of a week for y days overtime a week= $4x+$2xy   Payment of 3 weeks for y days overtime a week = ($4x+$2xy)*3   Total e) 2x(3y+4)arnings = $16x + ($4x+$2xy)*3 = 28x+6xy =2x(3y+14)   Answer: option e) 2x(3y+4)
<result>E</result>
Nancy works 4 days per week at a rate of x dollars per day. If Nancy works more than 3 days per week, any extra days are paid at double her normal rate. Nancy worked 4 weeks with no overtime, and then worked 3 more weeks, each with y days of overtime. Which of the following represents Nancy’s total earnings over this period?