Question
Shiyun and her sister have some beads. Shiyun had 47 more beads than her sister. After Shiyun gave her sister 30 beads, her sister has 63 beads now.
  1. How many beads did her sister have at first?
  2. How many beads does Shiyun have now?
4 m
(a)

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(b)

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Shiyun and her sister have some beads. Shiyun had 47 more beads than her sister. After Shiyun gave her sister 30 beads, her sister has 63 beads now.
  1. How many beads did her sister have at first?
  2. How many beads does Shiyun have now?