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OG num prop

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Re: OG num prop

by freedsl » Mon Mar 31, 2008 10:47 am
vinviper1 wrote:If the product of the intergers, w, x, y, z is 770, and if 1<w<x<y<z, what si teh value of W+Z?

a 10
b 13
c 16
d 18
e 21

b
write out the prime factors, comes out to 2*5*7*11, those are your numbers add the first and the last 2+11 =13 B
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ok

by resilient » Mon Mar 31, 2008 7:12 pm
i need to second the freeds. When you need to analyze a number. YOUR BEST FRIEND IS THE ACT OF BREAKING DOWN TO PRIMES.


one another note; what level of difficulty is this!?
Appetite for 700 and I scraped my plate!
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Legendary Member
Posts: 789
Joined: Sun May 06, 2007 1:25 am
Location: Southern California, USA
Thanked: 15 times
Followed by:6 members

ok

by resilient » Mon Mar 31, 2008 7:12 pm
i need to second the freeds. When you need to analyze a number. YOUR BEST FRIEND IS THE ACT OF BREAKING DOWN TO PRIMES.


one another note; what level of difficulty is this!?
Appetite for 700 and I scraped my plate!
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