Question
Find the missing number from the given responses.
3 Â Â Â 5 Â Â Â 7 4 Â Â Â 6 Â Â Â 8 5 Â Â Â 7 Â Â Â 9 26 Â Â 38 Â Â Â ?Solution
(3 + 4 + 5) × 2 + 2 = 12 × 2 + 2 = 24 + 2 = 26 (5 + 6 + 7) × 2 + 2 = 18 × 2 + 2 = 36 + 2 = 38 (7 + 8 + 9) × 2 + 2 = 24 × 2 + 2 = 48 + 2 = 50
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