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Senior Manager
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the large container game [#permalink]
 15 Jun 2005, 02:23
 hello
 a certain game, a large container is filled with red, yellow, green, and blue beads worth, respectively, 7, 5, 3, and 2 points each. A number of beads are then removed from the container. If the product of the point values of the removed beads is 147,000, how many red beads were removed?
(A) 5
(B) 4
(C) 3
(D) 2
( E)0
thanks
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Director
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Re: the large container game [#permalink]
15 Jun 2005, 02:38
mandy wrote: :) hello a certain game, a large container is filled with red, yellow, green, and blue beads worth, respectively, 7, 5, 3, and 2 points each. A number of beads are then removed from the container. If the product of the point values of the removed beads is 147,000, how many red beads were removed? (A) 5 (B) 4 (C) 3 (D) 2 ( E)0 thanks they are all primes, 147000 is divisible by 7 twice
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Re: the large container game [#permalink]
15 Jun 2005, 07:12
147000 = 7^2 * 3 * 2^3 * 5^3.
Hence the no. of red beads in 2.
HMTG.
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Re: the large container game [#permalink]
28 Jun 2005, 09:16
HowManyToGo wrote: 147000 = 7^2 * 3 * 2^3 * 5^3.
Hence the no. of red beads in 2.
HMTG.
hello
Please HowManyToGo can you explain me how you gets the powerfor this equation thanks :
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Mandy,
147000 =147*1000 = 49 * 3 * 10^3= 7^2*3^1*5^3*2^3
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AJB77 wrote: Mandy,
147000 =147*1000 = 49 * 3 * 10^3= 7^2*3^1*5^3*2^3
thanks AJB it is prime factorisation
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