Question
PSLE
At first, Leah had a total of 83 grey and purple balloons. 12 purple balloons burst. She then increased the number of grey balloons by 80%. After that, Leah had a total of 107 balloons. How many purple balloons did she have at first?
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PSLE
At first, Leah had a total of 83 grey and purple balloons. 12 purple balloons burst. She then increased the number of grey balloons by 80%. After that, Leah had a total of 107 balloons. How many purple balloons did she have at first?