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40.5 percent of a certain number is 65. what is the number?
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40.5 percent of a certain number is 65. what is the number?

User Jpiasetz
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2 Answers

4 votes
160.49 because you take 65 over x and 40.5 over 100 then cross multiply 
User Antibus
by
6.5k points
2 votes
the best way to do this is to set up a proportion

40.5 65
------- = -------
100 x

then cross multiply and divide

100 times 65=6500/40.5=160.5

the number is 160.5

I hope I've helped!
User Travis Christian
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