Question
Shannon had thrice as many pens as markers. After giving away 70 pens and selling 20 pens, she found out that she had twice as many pens as markers left.
  1. How many pens did Shannon have at first?
  2. How many pens and markers did Shannon 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

Shannon had thrice as many pens as markers. After giving away 70 pens and selling 20 pens, she found out that she had twice as many pens as markers left.
  1. How many pens did Shannon have at first?
  2. How many pens and markers did Shannon have altogether at first?