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the markers and pens in a drawer were in the ratio of 5 : 7
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05 Nov 2020, 11:14
05 Nov 2020, 11:14
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Question Stats:
81% (01:07) correct
18% (00:36) wrong based on 22 sessions
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Initially, the markers and pens in a drawer were in the ratio of 5 : 7. Then, 6 pens were removed. If there are 35 markers in the drawer, how many pens are left?
A)29
B)30
C)43
D)49
E)41
A)29
B)30
C)43
D)49
E)41
Re: the markers and pens in a drawer were in the ratio of 5 : 7
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05 Nov 2020, 11:25
05 Nov 2020, 11:25
Expert Reply
The ratio of markers to pens was 5 : 7, the number of markers can be represented by 5x and the number of pens can be represented by 7x where x is some positive integer. We can create the equation for the number of markers:
5x = 35
x = 7
Originally, there were 35 markers and 7 x 7 = 49 pens. Since 6 pens were removed, 43 pens were left in the drawer.
Answer: C
5x = 35
x = 7
Originally, there were 35 markers and 7 x 7 = 49 pens. Since 6 pens were removed, 43 pens were left in the drawer.
Answer: C
gmatclubot
Re: the markers and pens in a drawer were in the ratio of 5 : 7 [#permalink]
05 Nov 2020, 11:25
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