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Joe spent k cents of his allowance and has r cents left. What was his

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Joe spent k cents of his allowance and has r cents left. What was his [#permalink]

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New post 01 Mar 2018, 23:11
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Question Stats:

71% (00:27) correct 29% (00:07) wrong based on 31 sessions

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Joe spent k cents of his allowance and has r cents left. What was his allowance in dollars?

(A) k + r

(B) k - r

(C) 100(k + r)

(D) (k + r)/100

(E) 100kr

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Re: Joe spent k cents of his allowance and has r cents left. What was his [#permalink]

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New post 01 Mar 2018, 23:11
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Re: Joe spent k cents of his allowance and has r cents left. What was his [#permalink]

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New post 02 Mar 2018, 00:31
Bunuel wrote:
Joe spent k cents of his allowance and has r cents left. What was his allowance in dollars?

(A) k + r

(B) k - r

(C) 100(k + r)

(D) (k + r)/100

(E) 100kr


As Joe spent k cents and is left with r cents now, he would have had k + r cents initially

Since we are asked to find his allowance in dollars, it would be \(\frac{k + r}{100}\) dollars.

Therefore, Joe's allowance in dollars is \(\frac{k + r}{100}\) (Option D)
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Re: Joe spent k cents of his allowance and has r cents left. What was his [#permalink]

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New post 02 Mar 2018, 09:25
Bunuel wrote:
Joe spent k cents of his allowance and has r cents left. What was his allowance in dollars?

(A) k + r

(B) k - r

(C) 100(k + r)

(D) (k + r)/100

(E) 100kr



Total allowance= (k+r) cents
$1=100 cents
So, total allowance=(k+r)/100 dollars
Answer D
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Re: Joe spent k cents of his allowance and has r cents left. What was his [#permalink]

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New post 06 Mar 2018, 08:01
Bunuel wrote:
Joe spent k cents of his allowance and has r cents left. What was his allowance in dollars?

(A) k + r

(B) k - r

(C) 100(k + r)

(D) (k + r)/100

(E) 100kr


Joe’s total allowance is k + r cents, or (k + r)/100 dollars.

Answer: D
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Re: Joe spent k cents of his allowance and has r cents left. What was his   [#permalink] 06 Mar 2018, 08:01
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Joe spent k cents of his allowance and has r cents left. What was his

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