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At a summer camp with 1,500 participants, 1/2 of the campers are aged
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20 Mar 2016, 23:29
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At a summer camp with 1,500 participants, 1/2 of the campers are aged 8 to 12. Next year, the number of campers aged 8 to 12 will increase by 1/3. After this change, what percentage of the total 1,500 campers will the 8- to 12-year-olds represent?
Re: At a summer camp with 1,500 participants, 1/2 of the campers are aged
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21 Mar 2016, 05:11
Bunuel wrote:
At a summer camp with 1,500 participants, 1/2 of the campers are aged 8 to 12. Next year, the number of campers aged 8 to 12 will increase by 1/3. After this change, what percentage of the total 1,500 campers will the 8- to 12-year-olds represent?
A. 33 1/3% B. 50% C. 55% D. 60% E. 66 2/3%
Total - 1,500 participants
campers are aged 8 to 12 = (1/2)*1500 = 750
Next year, campers are aged 8 to 12 = (4/3)*750 = 1000
Percentage = (1000/1500)*100 = 66 2/3%
Answer: Option E
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Re: At a summer camp with 1,500 participants, 1/2 of the campers are aged
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17 May 2017, 04:33
At a summer camp with 1,500 participants, 1/2 of the campers are aged 8 to 12. Next year, the number of campers aged 8 to 12 will increase by 1/3. After this change, what percentage of the total 1,500 campers will the 8- to 12-year-olds represent?
Total participants at summer camp = 1500 Campers aged 8 to 12 = \(\frac{1}{2}\) of 1500 = \(\frac{1}{2}\) x 1500 = 750 Next year campers aged 8 to 12 will increase by \(\frac{1}{3}\) = \(\frac{1}{3}\) of 750 = \(\frac{1}{3}\) x 750 = 250 . Total campers aged 8 to 12 next year = 750 + 250 = 1000 Percentage of campers aged 8 to 12 to total 1500 = \(\frac{1000}{1500}\) x 100 = 66\(\frac{2}{3}\)% Answer E ...
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Re: At a summer camp with 1,500 participants, 1/2 of the campers are aged
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19 May 2017, 06:29
Bunuel wrote:
At a summer camp with 1,500 participants, 1/2 of the campers are aged 8 to 12. Next year, the number of campers aged 8 to 12 will increase by 1/3. After this change, what percentage of the total 1,500 campers will the 8- to 12-year-olds represent?
A. 33 1/3% B. 50% C. 55% D. 60% E. 66 2/3%
We are given that 1500 x 1/2 = 750 campers are ages 8 to 12.
Next year, that number will increase to:
(4/3) x 750 = 1,000 campers
Thus, the percentage of campers who are 8 to 12 years old will be 1000/1500 x 100% = 2/3 x 100% = 66 2/3%.
Re: At a summer camp with 1,500 participants, 1/2 of the campers are aged
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01 Dec 2019, 07:27
Top Contributor
Bunuel wrote:
At a summer camp with 1,500 participants, 1/2 of the campers are aged 8 to 12. Next year, the number of campers aged 8 to 12 will increase by 1/3. After this change, what percentage of the total 1,500 campers will the 8- to 12-year-olds represent?
A. 33 1/3% B. 50% C. 55% D. 60% E. 66 2/3%
1/2 of 1500 = 750 So, there are PRESENTLY 750 campers ages 8 to 12
We're told this value increases by 1/3 1/3 of 750 = 250
So, NEW population of campers aged 8 to 12 = 750 + 250 = 1000
So, 1000 of the 1500 campers are aged 8 to 12 1000/1500 = 2/3 = 66 2/3%
Re: At a summer camp with 1,500 participants, 1/2 of the campers are aged
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10 Dec 2019, 13:43
Hi All,
We're told that at a summer camp with 1,500 participants, 1/2 of the campers are aged 8 to 12 - and that next year, the number of campers aged 8 to 12 will increase by 1/3 AND that the total number of will STILL be 1500. We're asked - after this change, what percentage of the total 1,500 campers will the 8- to 12-year-olds represent. This question gives us all of the numbers needed to perform a couple of calculations, so that's what we'll do.
1/2 of 1500 = 750....so there are 750 campers aged 8 to 12 right now.
Next year, there will be (1/3)(750) = 250 MORE campers aged 8 to 12... so the total will increase to 1,000
There will be 1500 campers next year, so 1,000/1,500 = 2/3 of the campers will be aged 8 to 12.
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85% (01:20) correct 
