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If Standard Jeans
[#permalink]
25 Sep 2020, 01:31
25 Sep 2020, 01:31
00:00
Question Stats:
84% (02:05) correct
15% (02:09) wrong based on 19 sessions
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If Standard Jeans cost $60 and Designer Jeans cost 150% more, and 29 total pairs of jeans are sold for a total of $3,540, how many pairs were Designer Jeans?
a) 2
b) 9
c) 18
D) 20
E) 23
a) 2
b) 9
c) 18
D) 20
E) 23
Re: If Standard Jeans
[#permalink]
25 Sep 2020, 02:47
25 Sep 2020, 02:47
1
60S + 150D = 3540
Also given,
S + D = 29
D=29-S
put in:
60S + 150(29-S) = 3540
Solve for S:
-90S + 810 = 0
810 = 90S
S=9
S + D = 29
9 + D = 29
D = 20 option D
Also given,
S + D = 29
D=29-S
put in:
60S + 150(29-S) = 3540
Solve for S:
-90S + 810 = 0
810 = 90S
S=9
S + D = 29
9 + D = 29
D = 20 option D
gmatclubot
Re: If Standard Jeans [#permalink]
25 Sep 2020, 02:47
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