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Answer:
Step-by-step explanation:
Let the number be x.
So given,
X = 20% x + 40
X = 20/100x + 40
= x/5 + 40
x = x + 200 /5
5x = x + 200
4x = 200,
x = 200/4 = 50
50 is the number.
Answered by
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let the unknown number be x
20% of itself means 20% of x = (20/100)x = x/5
by the problem,
x – x/5 = 40
4x/5 = 40
4x = 200
x = 50
the answer is 50
20% of itself means 20% of x = (20/100)x = x/5
by the problem,
x – x/5 = 40
4x/5 = 40
4x = 200
x = 50
the answer is 50
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