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# A merchant sold an equal number of 5-cent and 10-cent screws. If the

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Math Expert
Joined: 02 Sep 2009
Posts: 59587
A merchant sold an equal number of 5-cent and 10-cent screws. If the  [#permalink]

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19 Feb 2019, 21:49
00:00

Difficulty:

25% (medium)

Question Stats:

78% (01:21) correct 22% (01:43) wrong based on 37 sessions

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A merchant sold an equal number of 5-cent and 10-cent screws. If the total cost of the screws was \$3.00, what was the total number of screws sold?

A. 25
B. 30
C. 40
D. 44
E. 50

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Re: A merchant sold an equal number of 5-cent and 10-cent screws. If the  [#permalink]

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19 Feb 2019, 23:56
Bunuel wrote:
A merchant sold an equal number of 5-cent and 10-cent screws. If the total cost of the screws was \$3.00, what was the total number of screws sold?

A. 25
B. 30
C. 40
D. 44
E. 50

given equal no of screw so x=y
and
5x+10y= 300
since x=y
so
15y=300
y= 20
x+y= 40
IMO C
Re: A merchant sold an equal number of 5-cent and 10-cent screws. If the   [#permalink] 19 Feb 2019, 23:56
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# A merchant sold an equal number of 5-cent and 10-cent screws. If the

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