Question
PSLE
Erika had a collection of stamps from Iran, Thailand and Norway. She had 122 stamps from Iran. 40% of her stamps were from Thailand. She had 42 fewer stamps from Norway than from Thailand.
  1. What was the total number of stamps in Erika's collection?
  2. Erika's aunt gave her some stamps from Thailand. Her total collection increased by 20%. What percentage of her collection was from Thailand after that?
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(a)

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(b)

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PSLE
Erika had a collection of stamps from Iran, Thailand and Norway. She had 122 stamps from Iran. 40% of her stamps were from Thailand. She had 42 fewer stamps from Norway than from Thailand.
  1. What was the total number of stamps in Erika's collection?
  2. Erika's aunt gave her some stamps from Thailand. Her total collection increased by 20%. What percentage of her collection was from Thailand after that?