Question
Tina had 4 times as many pens as marbles. After she used 87 pens and 13 marbles, there were twice as many marbles as pens.
  1. How many pens did Tina have in the end?
  2. How many marbles did Tina have at first?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Tina had 4 times as many pens as marbles. After she used 87 pens and 13 marbles, there were twice as many marbles as pens.
  1. How many pens did Tina have in the end?
  2. How many marbles did Tina have at first?