Question
PSLE
At first, Leah had a total of 49 blue and green balloons. 18 green balloons burst. She then increased the number of blue balloons by 80%. After that, Leah had a total of 39 balloons. How many green balloons did she have at first?
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PSLE
At first, Leah had a total of 49 blue and green balloons. 18 green balloons burst. She then increased the number of blue balloons by 80%. After that, Leah had a total of 39 balloons. How many green balloons did she have at first?