Question
Diana had thrice as many pens as files. After giving away 22 pens and selling 21 pens, she found out that she had twice as many pens as files left.
  1. How many pens did Diana have at first?
  2. How many pens and files did Diana have altogether at first?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Diana had thrice as many pens as files. After giving away 22 pens and selling 21 pens, she found out that she had twice as many pens as files left.
  1. How many pens did Diana have at first?
  2. How many pens and files did Diana have altogether at first?