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A concession stand sells either hotdogs for $1.75 each or ha

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A concession stand sells either hotdogs for $1.75 each or ha [#permalink] New post 01 Oct 2017, 04:23
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A concession stand sells either hotdogs for $1.75 each or hamburgers for $4 each. If Charlie buys a total of 9 items from the concession stand for a total of 27 dollars, then how many hotdogs did he buy?

(A) 3

(B) 4

(C) 6

(D) 7

(E) 8

Kudos for correct solution.
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Re: A concession stand sells either hotdogs for $1.75 each or ha [#permalink] New post 01 Oct 2017, 06:07
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Bunuel wrote:
A concession stand sells either hotdogs for $1.75 each or hamburgers for $4 each. If Charlie buys a total of 9 items from the concession stand for a total of 27 dollars, then how many hotdogs did he buy?

(A) 3

(B) 4

(C) 6

(D) 7

(E) 8

Kudos for correct solution.




Let x = hotdog and y= hamburg

therefore we have x+y = 9 (since he buys 9 items)
and 1.75x +4y = 27 (total cost of hotdog and hamburg)

Solving for x we get

x=4


Can you plz mention the source
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Re: A concession stand sells either hotdogs for $1.75 each or ha   [#permalink] 01 Oct 2017, 06:07
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A concession stand sells either hotdogs for $1.75 each or ha

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