Question
PSLE
The table shows the number of pupils with the following scores. A higher score means a better performance. Prizes were given to the top 7 pupils. Jack won a prize. What was the lowest he could have scored?

 Score  18  19  20 21  22  25 27 30
Pupils  1 11  12  7  2
2 m

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PSLE
The table shows the number of pupils with the following scores. A higher score means a better performance. Prizes were given to the top 7 pupils. Jack won a prize. What was the lowest he could have scored?

 Score  18  19  20 21  22  25 27 30
Pupils  1 11  12  7  2