Question
PSLE
At first, Cathy had 60 erasers and some cards. After she gave away 31 erasers and 25% of the cards, she had a total of 56 erasers and cards. How many cards did Cathy have at first?
3 m

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PSLE
At first, Cathy had 60 erasers and some cards. After she gave away 31 erasers and 25% of the cards, she had a total of 56 erasers and cards. How many cards did Cathy have at first?