Of the 90 employees of a certain company, twice as many are in the sales department as are in all of the other departments combined. What is the number of employees in the sales department?
Select the correct option.
A) 15	B) 20	C) 30	D) 40	E) 60
This is ratio problem solving question.   I will prefer to use RMV box.   R M V   Sales 2 30 60   Other 1 30 30   Total 3 30 90   Answer is 60. i.e60
<result>E</result>
Of the 90 employees of a certain company, twice as many are in the sales department as are in all of the other departments combined. What is the number of employees in the sales department?