Question
150 Â Â Â 15Â Â Â 3Â Â Â ? Â Â Â Â 0.36Â Â Â
 0.18Solution
150 × (10/100) = 15 15 × (20/100) = 3 3 × (30/100) = 0.9 0.9 × (40/100) = 0.36 0.36 × (50/100) = 0.18
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