Question
PSLE
At first, Leah had a total of 126 brown and yellow balloons. 17 yellow balloons burst. She then increased the number of brown balloons by 90%. After that, Leah had a total of 190 balloons. How many yellow balloons did she have at first?
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PSLE
At first, Leah had a total of 126 brown and yellow balloons. 17 yellow balloons burst. She then increased the number of brown balloons by 90%. After that, Leah had a total of 190 balloons. How many yellow balloons did she have at first?