What number when increased by 50%becomes 81
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Answer:
Let the number be x
x + 50/100x = 81
x + 5/10x = 81
10/10x +5/10x = 81
15/10x = 81
x = 81 ÷ 15/10
x = 81 × 10/15
x = 27 × 10/5
x = 27 × 2/1
x = 54
The number is 54
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