Question
PSLE
At first, Leah had a total of 45 black and pink balloons. 20 pink balloons burst. She then increased the number of black balloons by 75%. After that, Leah had a total of 34 balloons. How many pink balloons did she have at first?
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PSLE
At first, Leah had a total of 45 black and pink balloons. 20 pink balloons burst. She then increased the number of black balloons by 75%. After that, Leah had a total of 34 balloons. How many pink balloons did she have at first?