NAEP Mathematics Grade 8

Category - Mathematics

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1 + 3=41 + 3 + 5 = 91+3 + 5 + 7 = 161 + 3 + 5+7 + 9 = 25According to the pattern suggested by the four examples above, how many consecutive odd integers are required to give a sum of 144 ?

9
12
15
36
72

Explanation

Answer: B - 12

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