Question
Miss Shiyun needed to purchase some mochi balls for her pupils. Given that each packet contained 9 mochi balls and she had 23 pupils in her school, what was the least number of packets of mochi balls she needed to buy so that each pupil gets 7 mochi balls?
4 m

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Miss Shiyun needed to purchase some mochi balls for her pupils. Given that each packet contained 9 mochi balls and she had 23 pupils in her school, what was the least number of packets of mochi balls she needed to buy so that each pupil gets 7 mochi balls?