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# algebra help

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Manager
Joined: 21 Jul 2012
Posts: 68

Kudos [?]: 8 [0], given: 32

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12 Jan 2013, 17:38
can someone explain how pq = (0.5p)(1 + x)q can be rewritten as pq = (0.5)(1 + x)pq? I know this is relatively simple but cant envision it after long day of studying. Thanks!

Kudos [?]: 8 [0], given: 32

Director
Status: Done with formalities.. and back..
Joined: 15 Sep 2012
Posts: 635

Kudos [?]: 675 [1], given: 23

Location: India
Concentration: Strategy, General Management
Schools: Olin - Wash U - Class of 2015
WE: Information Technology (Computer Software)

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12 Jan 2013, 21:57
1
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jmuduke08 wrote:
can someone explain how pq = (0.5p)(1 + x)q can be rewritten as pq = (0.5)(1 + x)pq? I know this is relatively simple but cant envision it after long day of studying. Thanks!

You see, a*b*c= a*c*b = b*a*c etc

similary, pq= (0.5p)(1+x)q
is equivalent to: pq= 0.5*p * (1+x)*q
or
pq= 0.5*(1+x)*p*q
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Kudos [?]: 675 [1], given: 23

Re: algebra help   [#permalink] 12 Jan 2013, 21:57
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