Question
PSLE
At first, Leah had a total of 63 white and yellow balloons. 19 yellow balloons burst. She then increased the number of white balloons by 75%. After that, Leah had a total of 59 balloons. How many yellow balloons did she have at first?
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PSLE
At first, Leah had a total of 63 white and yellow balloons. 19 yellow balloons burst. She then increased the number of white balloons by 75%. After that, Leah had a total of 59 balloons. How many yellow balloons did she have at first?