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What percent of 17 is 30 percent of 289?
[#permalink]
22 Oct 2020, 12:10
22 Oct 2020, 12:10
1
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Expert Reply
Show timer
00:00
A
B
C
D
E
Difficulty:
15%
(low)
Question Stats:
86% (01:20) correct
14%
(01:37)
wrong
based on 57
sessions
What percent of 17 is 30 percent of 289?
A. 0.51
B. 5.1
C. 51
D. 510
E. 5,100
A. 0.51
B. 5.1
C. 51
D. 510
E. 5,100
Re: What percent of 17 is 30 percent of 289?
[#permalink]
22 Oct 2020, 22:33
22 Oct 2020, 22:33
2
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1
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Expert Reply
Bunuel wrote:
What percent of 17 is 30 percent of 289?
A. 0.51
B. 5.1
C. 51
D. 510
E. 5,100
A. 0.51
B. 5.1
C. 51
D. 510
E. 5,100
If you follow the procedure below, you will never make a mistake in such questions, although it is pretty simple.
1) Replace WHAT with 'a variable' say x
2) Replace 'percent' with '1/100'
3) Replace OF with 'multiplication sign'
4) Replace IS or EQUAL with "="
What percent of 17 is 30 percent of 289
=> \(x*\frac{1}{100}*17=30*\frac{1}{100}*289\)
\(x=\frac{30*289}{17}=30*17=510\)%
D
Re: What percent of 17 is 30 percent of 289?
[#permalink]
11 Apr 2022, 23:15
11 Apr 2022, 23:15
x/100 * 17=30/100 * 289
solve for x, x= 510
Option D
solve for x, x= 510
Option D
