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ps2 [#permalink] New post 10 Dec 2003, 11:36
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The value of a share of stock P and the value of a share of stock Q each increased by 16%. If the value of a share of stock P increased by 16 cents and the value of a share of stock Q increased by $1.68, what is the difference between the value of stock Q and the value of stock P before the increases

$8.00

$9.50

$10.00

$10.50

$11.02
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shubhangi

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 [#permalink] New post 10 Dec 2003, 12:55
p*1.16=p+.16
1.16=1+(.16/p)
.16p=.16
p=1


q*1.16=q+1.68
1.16=1+(1.68/q)
.16=1.68/q
.16q=1.68
q=10.50

Find p and q, take difference.

9.50
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Re: ps2 [#permalink] New post 13 Dec 2003, 01:30
shubhangi wrote:

The value of a share of stock P and the value of a share of stock Q each increased by 16%. If the value of a share of stock P increased by 16 cents and the value of a share of stock Q increased by $1.68, what is the difference between the value of stock Q and the value of stock P before the increases?

$8.00
$9.50
$10.00
$10.50
$11.02



0.16( P ) =0.16

0.16 (Q) =1.68


Q - P = 1.52/ 0.16 = 152/16 = 76/8 = 38/4 = 19/2 =9.5
Re: ps2   [#permalink] 13 Dec 2003, 01:30
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