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How do I simplify this: z(1 + x/100)(1 y/100). Into this?:

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Intern
Joined: 13 Jul 2008
Posts: 9
How do I simplify this: z(1 + x/100)(1 y/100). Into this?: [#permalink]

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21 Oct 2008, 18:43
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How do I simplify this: z(1 + x/100)(1 – y/100).

Into this?: 10,000z + 100z(x – y) – xyz/10,000
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Joined: 29 Aug 2007
Posts: 2467
Re: How do I simplify this? [#permalink]

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21 Oct 2008, 20:37
TrillTalk wrote:
How do I simplify this: z(1 + x/100)(1 – y/100).

Into this?: 10,000z + 100z(x – y) – xyz/10,000

SIMPLY simplyfy the expression:

z(1 + x/100)(1 – y/100)

= z[{(100 + x)/100} {(100 – y)}/100]

= z(10000 + 100x - 100y - xy)/10000}

= {10000z + 100z(x - y) - xyz}/10000
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Re: How do I simplify this?   [#permalink] 21 Oct 2008, 20:37
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How do I simplify this: z(1 + x/100)(1 y/100). Into this?:

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