Question
PSLE
At first, Elyse had 51 stamps and some pens. After she gave away 21 stamps and 25% of the pens, she had a total of 42 stamps and pens. How many pens did Elyse have at first?
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PSLE
At first, Elyse had 51 stamps and some pens. After she gave away 21 stamps and 25% of the pens, she had a total of 42 stamps and pens. How many pens did Elyse have at first?