Eighty percent of a number is 20 more than three-fifths of that number. Find the number.

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Accepted Answer

1. Let the number be $x$.
2. 80% of $x$ is $0.8x$. Three-fifths of $x$ is $	frac{3}{5}x = 0.6x$. So $0.8x = 0.6x + 20$.
3. Subtract $0.6x$: $0.2x = 20$, so $x = 100$.
4. Check: 80% of 100 = 80, three-fifths = 60, difference = 20.
FINAL_ANSWER: b

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