Question
PSLE
At first, Gwen had an equal number of black and red marbles . She gave away 35 of her black marbles and some red marbles. In the end, she was left with 25 of her marbles. What fraction of the red marbles did Gwen give away?
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PSLE
At first, Gwen had an equal number of black and red marbles . She gave away 35 of her black marbles and some red marbles. In the end, she was left with 25 of her marbles. What fraction of the red marbles did Gwen give away?