Joe works d days a month at 20 dollars per day for n months out of the year. Which of the following represents his monthly pay?
Choose the correct option:  A) n/(d20)  B) d20  C) 10nd/6  D) d20/n  E) 20dn
Total income of Joe in a year = d*20*n dollars. Now Monthly income = Total/12 = d*20*n / 12 = 10nd/6 Answer is 10nd/6
<result>C</result>
Joe works d days a month at 20 dollars per day for n months out of the year. Which of the following represents his monthly pay?