Question
Vincent had 3 times as many pens as Mark. After Mark bought another 50 pens, Vincent had twice as many pens as Mark. How many pens did the two boys have altogether in the end?
4 m

Click button first when a symbol is required. X

Vincent had 3 times as many pens as Mark. After Mark bought another 50 pens, Vincent had twice as many pens as Mark. How many pens did the two boys have altogether in the end?