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Tom has ' $x$ ' five cent coins, ' $y$ ' ten cent coins
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12 Mar 2025, 01:57
12 Mar 2025, 01:57
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Question Stats:
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Tom has ' $x$ ' five cent coins, ' $\(y\)$ ' ten cent coins and ' $\(z\)$ ' 15 cent coins. If $\(x=y\)$ and $\(5 x+10 y=25 z=375\)$, how many five cent coins does Tom have?
(A) 10
(B) 15
(C) 20
(D) 25
(E) 30
(A) 10
(B) 15
(C) 20
(D) 25
(E) 30
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Re: Tom has ' $x$ ' five cent coins, ' $y$ ' ten cent coins
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12 Mar 2025, 02:50
12 Mar 2025, 02:50
2
x = y from the question and x is the number of 5 cent coins which is what need to find
we no longer have to bother about 15 cents and its calculation so just ignore it or else 10 to 15 seconds of your time will be wasted
5x + 10y = 375
15x = 375 since x = y
x = 25
option D is the one
kudos is appreciated
we no longer have to bother about 15 cents and its calculation so just ignore it or else 10 to 15 seconds of your time will be wasted
5x + 10y = 375
15x = 375 since x = y
x = 25
option D is the one
kudos is appreciated
gmatclubot
Re: Tom has ' $x$ ' five cent coins, ' $y$ ' ten cent coins [#permalink]
12 Mar 2025, 02:50
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