Amber works 20 days a month at d dollars per day for m months out of the year. Which of the following represents her monthly pay?
Options
A) m/(20d)
B) 20d
C) 10md/6
D) 20d/m
E) 20md
Total income of Amber in a year = d*20*m dollars.   Now Monthly income = Total/12 = d*20*m / 12 = 10md/6   Answer is 10md/6
<result>C</result>
Amber works 20 days a month at d dollars per day for m months out of the year. Which of the following represents her monthly pay?