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QOTD#28 Three times the sum of the prime numbers less than

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sandy
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QOTD#28 Three times the sum of the prime numbers less than [#permalink] New post   13 Oct 2016, 13:34
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Quantity A
Quantity B
Three times the sum of the prime numbers less than 10
The sum of the prime numbers between 20 and 30


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


Drill 1
Question: 13
Page: 284-285
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B
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sandy
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Re: QOTD#28 Three times the sum of the prime numbers less than [#permalink] New post   13 Oct 2016, 13:38
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Explanation

The prime numbers less than 10 are 2, 3, 5, and 7—don’t forget, 1 is not prime. Their sum is 17, and 3 × 17 = 51. The only prime numbers between 20 and 30 are 23 and 29, and their sum is 52. Quantity B is greater.
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Re: QOTD#28 Three times the sum of the prime numbers less than [#permalink] New post   07 Aug 2024, 10:52
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Re: QOTD#28 Three times the sum of the prime numbers less than [#permalink]
07 Aug 2024, 10:52
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