Mathematics

Genevieve Ho

6 January, 12:46

The number of balls in box A is 1/2 of the number of balls in box B. 10% of the balls in Box A and 10% of the balls in Box B were moved to Box C. As a result, the number of balls in Box C increased by 20%. There are 72 balls in Box C now. How many balls were there in Box B at first?

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