Question
PSLE
At first, Leah had a total of 47 brown and silver balloons. 20 silver balloons burst. She then increased the number of brown balloons by 75%. After that, Leah had a total of 36 balloons. How many silver balloons did she have at first?
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PSLE
At first, Leah had a total of 47 brown and silver balloons. 20 silver balloons burst. She then increased the number of brown balloons by 75%. After that, Leah had a total of 36 balloons. How many silver balloons did she have at first?