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Fox Jeans regularly sells for $15 a pair and Pony jeans

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Director
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Fox Jeans regularly sells for $15 a pair and Pony jeans [#permalink] New post 06 Nov 2005, 23:50
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Fox Jeans regularly sells for $15 a pair and Pony jeans regularly sell for $18 a pair. During a sale these regular unit prices are discounted at different rates so that a total of $9 is saved by purchasing 5 pairs of jeans: 3 pairs of Fox jeans and 2 piars of Pony jeans. if the the of the two discounts rates is 22 percent, what is the discount rate on Pony jeans?
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Re: Another DS [#permalink] New post 07 Nov 2005, 00:49
joemama142000 wrote:
Fox Jeans regularly sells for $15 a pair and Pony jeans regularly sell for $18 a pair. During a sale these regular unit prices are discounted at different rates so that a total of $9 is saved by purchasing 5 pairs of jeans: 3 pairs of Fox jeans and 2 piars of Pony jeans. if the the of the two discounts rates is 22 percent, what is the discount rate on Pony jeans?


Can you please confirm if the bold part of the question is correct?.[/b]
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 [#permalink] New post 07 Nov 2005, 00:57
Fox Jeans regularly sells for $15 a pair and Pony jeans regularly sell for $18 a pair. During a sale these regular unit prices are discounted at different rates so that a total of $9 is saved by purchasing 5 pairs of jeans: 3 pairs of Fox jeans and 2 piars of Pony jeans. if the sum of the two discounts rates is 22 percent, what is the discount rate on Pony jeans?


sorry its 3am here :-)
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 [#permalink] New post 07 Nov 2005, 01:13
10%...3*15*x+2*18*(0,22-x)=9...solve for x
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 [#permalink] New post 07 Nov 2005, 03:24
joemama142000 wrote:
Fox Jeans regularly sells for $15 a pair and Pony jeans regularly sell for $18 a pair. During a sale these regular unit prices are discounted at different rates so that a total of $9 is saved by purchasing 5 pairs of jeans: 3 pairs of Fox jeans and 2 piars of Pony jeans. if the sum of the two discounts rates is 22 percent, what is the discount rate on Pony jeans?


sorry its 3am here :-)


Thanks for the changes. Here is my answer.

3 Fox jeans before discount - 45$
2 pony jeans before discount - 36$

Let x be the discount for FJ and y be the discount for PJ.

45 * (X/100) + (36 * Y/100) = 9
X + Y = 22
.45 X + (.36 (22 - X)) = 9
.45 X + 7.92 - .36X = 9
.09 X = 1.08
X = 12 and Y = 10
Hence Discount for PJ = 10%
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 [#permalink] New post 07 Nov 2005, 23:22
Discount on pony is 10 %

x+y =22

3*15*x/100+2*18*y/100=9

solve for y ...10%
  [#permalink] 07 Nov 2005, 23:22
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Fox Jeans regularly sells for $15 a pair and Pony jeans

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