A salesman sold twice as much pears in the afternoon than in the morning. If he sold $390 kilograms of pears that day, how many kilograms did he sell in the afternoon?  Choose the correct choice from the following answers:  A) 120  B) 180  C) 260  D) 280  E) 320
3x=390   x=130   Therefore, the salesman sold 130kg in the morning and 2⋅130=260 kg in the afternoon. So answer is 260.
<result>C</result>
A salesman sold twice as much pears in the afternoon than in the morning. If he sold $390 kilograms of pears that day, how many kilograms did he sell in the afternoon?