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Each month, after Jill pays for rent, utilities, food, and other neces

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Magoosh GMAT Instructor
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Each month, after Jill pays for rent, utilities, food, and other neces  [#permalink]

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New post 06 May 2016, 12:56
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Difficulty:

  15% (low)

Question Stats:

78% (01:55) correct 22% (02:42) wrong based on 64 sessions

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Each month, after Jill pays for rent, utilities, food, and other necessary expenses, she has one fifth of her net monthly salary left as discretionary income. Of this discretionary income, she puts 30% into a vacation fund, 20% into savings, and spends 35% on eating out and socializing. This leaves her with $96 dollar, which she typically uses for gifts and charitable causes. What is Jill’s net monthly salary?

(A) $2400
(B) $3200
(C) $6000
(D) $6400
(E) $9600


Word problems present a few tricky issues. One of these is how to assign variables. For a discussion, as well as the OE for this question, see:
Intro to GMAT Word Problems, Part 2: Assigning Variables

Mike :-)

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Re: Each month, after Jill pays for rent, utilities, food, and other neces  [#permalink]

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New post 06 May 2016, 13:07
[quote="mikemcgarry"][color=#0000ff]Each month, after Jill pays for rent, utilities, food, and other necessary expenses, she has one fifth of her net monthly salary left as discretionary income. Of this discretionary income, she puts 30% into a vacation fund, 20% into savings, and spends 35% on eating out and socializing. This leaves her with $96 dollar, which she typically uses for gifts and charitable causes. What is Jill’s net monthly salary?

(A) $2400
(B) $3200
(C) $6000
(D) $6400
(E) $9600

let x be the monthly salary
15%of 1/5*x=96
x=3200
answer B
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Re: Each month, after Jill pays for rent, utilities, food, and other neces  [#permalink]

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New post 18 Jul 2018, 07:29
mikemcgarry wrote:
Each month, after Jill pays for rent, utilities, food, and other necessary expenses, she has one fifth of her net monthly salary left as discretionary income. Of this discretionary income, she puts 30% into a vacation fund, 20% into savings, and spends 35% on eating out and socializing. This leaves her with $96 dollar, which she typically uses for gifts and charitable causes. What is Jill’s net monthly salary?

(A) $2400
(B) $3200
(C) $6000
(D) $6400
(E) $9600


Word problems present a few tricky issues. One of these is how to assign variables. For a discussion, as well as the OE for this question, see:
Intro to GMAT Word Problems, Part 2: Assigning Variables

Mike :-)


Let total income is \(500\)
Discretionary Income is \(100\)

So, vacation fund = \(30\)
Savings Fund = \(20\)
Eating out and socializing = \(35\)

Amount left after spending is \(100 - ( 30 + 20 + 35 ) = 15\)

Now, \(15\) represents \($ 96\)

So, \(500\) represents \(\frac{96}{15}*500 = 3200\) , Answer must be (B)
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Re: Each month, after Jill pays for rent, utilities, food, and other neces &nbs [#permalink] 18 Jul 2018, 07:29
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