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IgorC [24]
3 years ago
5

When a number is decreased by 10% of itself, the result is 171. what is the number?

Mathematics
1 answer:
Arada [10]3 years ago
7 0
For some number x, we subtract 0.1x and get 171.

So we have:
x-0.1x=171
\rightarrow 0.9x=171
\rightarrow x=190
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