A factory that employs 1000 assembly line workers pays each of these workers $5 per hour for the first 40 hours worked during a week and 1½ times that rate for hours worked in excess of 40. What was the total payroll for the assembly-line workers for a week in which 30 percent of them worked 35 hours, 50 percent worked 40 hours, and the rest worked 50 hours?  Choose one.
A) $180,000 B) $185,000 C) $190,000 D) $207,500 E) $205,000
30% of 1000 = 300 worked for 20 hours   Payment @ 5/hr   Total Payment = 300*35*5= 
<gadget id="calculator">300*35*5</gadget>
<output>52_500</output>
52500   50 % of 1000= 500 worked for 40 hours   Payment @ 5/hr   Total payment = 500*40*5= 
<gadget id="calculator">500*40*5</gadget>
<output>100_000</output>
100000   Remaining 200 worked for 50 Hours   Payment for first 40 Hours @ 5 /hr   Payment= 200*40*5= 
<gadget id="calculator">200*40*5</gadget>
<output>40_000</output>
40000   Payment for next 10 hr @ 7.5/hr   Payment= 200 * 10 * 7.5= 
<gadget id="calculator">200 * 10 * 7.5</gadget>
<output>15_000</output>
15000   Total Payment= 52500+100000 + 40000 +15000= 
<gadget id="calculator">52500+100000 + 40000 +15000</gadget>
<output>207_500</output>
207500   Hence , answer is $207,500
<result>D</result>
A factory that employs 1000 assembly line workers pays each of these workers $5 per hour for the first 40 hours worked during a week and 1½ times that rate for hours worked in excess of 40. What was the total payroll for the assembly-line workers for a week in which 30 percent of them worked 35 hours, 50 percent worked 40 hours, and the rest worked 50 hours?