Question
PSLE
At first, Leah had a total of 90 pink and blue balloons. 17 blue balloons burst. She then increased the number of pink balloons by 90%. After that, Leah had a total of 118 balloons. How many blue balloons did she have at first?
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PSLE
At first, Leah had a total of 90 pink and blue balloons. 17 blue balloons burst. She then increased the number of pink balloons by 90%. After that, Leah had a total of 118 balloons. How many blue balloons did she have at first?