A salesman sold twice as much pears in the afternoon than in the morning. If he sold $420 kilograms of pears that day, how many kilograms did he sell in the afternoon? Pick.
A) 120
B) 180
C) 240
D) 280
E) 320
3x=420   x=140   Therefore, the salesman sold 140kg in the morning and 2⋅140=280 kg in the afternoon. So answer is 280.
<result>D</result>
A salesman sold twice as much pears in the afternoon than in the morning. If he sold $420 kilograms of pears that day, how many kilograms did he sell in the afternoon?