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

Games 1st 2nd 3rd 4th
Points 15 17 21 ?

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

Games 1st 2nd 3rd 4th
Points 15 17 21 ?

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