Question
Min and her sister have some pens. Min had 46 more pens than her sister. After Min gave her sister 15 pens, her sister has 90 pens now.
  1. How many pens did her sister have at first?
  2. How many pens does Min have now?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Min and her sister have some pens. Min had 46 more pens than her sister. After Min gave her sister 15 pens, her sister has 90 pens now.
  1. How many pens did her sister have at first?
  2. How many pens does Min have now?