Question
PSLE
At first, Leah had a total of 50 red and silver balloons. 19 silver balloons burst. She then increased the number of red balloons by 75%. After that, Leah had a total of 37 balloons. How many silver balloons did she have at first?
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PSLE
At first, Leah had a total of 50 red and silver balloons. 19 silver balloons burst. She then increased the number of red balloons by 75%. After that, Leah had a total of 37 balloons. How many silver balloons did she have at first?