Question
The table shows Harry scores in 3 of the 4 games that he played.

Games 1st 2nd 3rd 4th
Points 17 16 24 ?

Harry will get a prize if his average score for three of the four games is 21 or more. What is the lowest score Harry must score in the 4th game in order to get a prize?
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The table shows Harry scores in 3 of the 4 games that he played.

Games 1st 2nd 3rd 4th
Points 17 16 24 ?

Harry will get a prize if his average score for three of the four games is 21 or more. What is the lowest score Harry must score in the 4th game in order to get a prize?