Foul Shots

Igor, on the varsity basketball team, has made 36 of his 80 foul shots so far this season. What is his percent accuracy? How many foul shots must he make in a row to bring his average up to 50%?


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Igor�s percent accuracy is 36/80 = .45 = 45% so far.

Let’s have him make x more shots:

(36 + x) / (80 + x) = 50% = .50 = 1/2
2(36 + x) = 1(80 + x)
72 + 2x = 80 + x
So x = 8.

Now, can he do it? The pressure is building.

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