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What is the result when 1/5 percent of 6,000 is added to 1/5 of 4,000
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31 Aug 2021, 08:05
31 Aug 2021, 08:05
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Question Stats:
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8%
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What is the result when 1/5 percent of 6,000 is added to 1/5 of 4,000 ?
A. 760
B. 788
C. 800
D. 812
E. 824
A. 760
B. 788
C. 800
D. 812
E. 824
Please can someone explain to me how 1/5% = 0.002. I really dont get it.
Manager
Joined: 06 Jun 2021
Posts: 180
Given Kudos: 261
GMAT 1: 690 Q48 V35
Re: What is the result when 1/5 percent of 6,000 is added to 1/5 of 4,000
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31 Aug 2021, 08:31
31 Aug 2021, 08:31
1
Kudos
Lets start with the easy one. 1/5 * 4000 = 800. So options A and B are out.
Now when we want lets say 15 percent of a number, we multiply 15/100 to that number. In the same way if we want 1/5 percent of a number, we'll multiply that number by 1/5/100 OR \(\frac{0.2}{100}\) OR \(\frac{1}{500}\). \(\frac{1}{500}\) of 6,000 is 12.
800 + 12 = 812.
Answer D
Please correct the OA.
Now when we want lets say 15 percent of a number, we multiply 15/100 to that number. In the same way if we want 1/5 percent of a number, we'll multiply that number by 1/5/100 OR \(\frac{0.2}{100}\) OR \(\frac{1}{500}\). \(\frac{1}{500}\) of 6,000 is 12.
800 + 12 = 812.
Answer D
Please correct the OA.
Re: What is the result when 1/5 percent of 6,000 is added to 1/5 of 4,000
[#permalink]
31 Aug 2021, 09:22
31 Aug 2021, 09:22
2
Kudos
Expert Reply
Yes, LamboWalker has it correct above. Remember, percent means for each one hundred. Thus, we can translate "1/5 percent" as the following:
\(\frac{1}{5} * \frac{1}{100}\)
\(\frac{1}{500}\)
Now, you could either turn this fraction into a decimal, or you could use it directly to figure out the number in question:
\(\frac{1}{500} * 6000 = \frac{6000}{500} = 12\)
Thus, 12 should be added to "1/5 of 4,000," or 800, and, as outlined above this post, the answer should be (D). You should edit the original post to reflect the correct answer.
- Andrew
\(\frac{1}{5} * \frac{1}{100}\)
\(\frac{1}{500}\)
Now, you could either turn this fraction into a decimal, or you could use it directly to figure out the number in question:
\(\frac{1}{500} * 6000 = \frac{6000}{500} = 12\)
Thus, 12 should be added to "1/5 of 4,000," or 800, and, as outlined above this post, the answer should be (D). You should edit the original post to reflect the correct answer.
- Andrew
