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Last year Elaine spent 20% of her annual earnings on rent

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happy1992
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Last year Elaine spent 20% of her annual earnings on rent [#permalink] New post   03 May 2016, 06:48
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Last year Elaine spent 20% of her annual earnings on rent. This year she earned 15% more than last year and she spent 30% of
her annual earnings on rent. The amount she spent on rent thisyear is what percent of the amount spent on rent last year?

(A) 152.5
(B) 164.5
(C) 167.5
(D) 172.5
(E) 177.5
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Bunuel
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Re: Last year Elaine spent 20% of her annual earnings on rent [#permalink] New post   03 May 2016, 06:50
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happy1992 wrote:
Last year Elaine spent 20% of her annual earnings on rent. This year she earned 15% more than last year and she spent 30% of
her annual earnings on rent. The amount she spent on rent thisyear is what percent of the amount spent on rent last year?

(A) 152.5
(B) 164.5
(C) 167.5
(D) 172.5
(E) 177.5


This is a copy of the following OG question: last-year-carlos-saved-10-percent-of-his-annual-earnings-th-167602.html
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Re: Last year Elaine spent 20% of her annual earnings on rent [#permalink] New post   03 May 2016, 07:04
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happy1992 wrote:
Last year Elaine spent 20% of her annual earnings on rent. This year she earned 15% more than last year and she spent 30% of
her annual earnings on rent. The amount she spent on rent thisyear is what percent of the amount spent on rent last year?

(A) 152.5
(B) 164.5
(C) 167.5
(D) 172.5
(E) 177.5


let last year earniings be 100...
she spent 20% = 20..

she earned 15% more this year = 100*1.15 = 115..
now she spent 30% of earnings = 115*.3 = 34.5...

so 34.5/20 *100 = 172.5%
D
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MTLGMAT
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Re: Last year Elaine spent 20% of her annual earnings on rent [#permalink] New post   03 May 2016, 07:08
Hi OP,

For this it is easiest to use simple numbers. Let's assume that Elaine's annual earnings last year were $100.

She would've spent $20 of this on rent.

This year she earned 15% more, or $115.

She would've spent 30% of this on rent, or $34.5

Do $34.5/$20

This will give you 172.5%

D is the correct answer.
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Re: Last year Elaine spent 20% of her annual earnings on rent [#permalink] New post   05 Aug 2020, 06:46
happy1992 wrote:
Last year Elaine spent 20% of her annual earnings on rent. This year she earned 15% more than last year and she spent 30% of
her annual earnings on rent. The amount she spent on rent this year is what percent of the amount spent on rent last year?

(A) 152.5
(B) 164.5
(C) 167.5
(D) 172.5
(E) 177.5


E=100
Rent =20

E1=115
Rent1=115*30/100=34.5

The amount she spent on rent this year is what percent of the amount spent on rent last year= 14.5/20=72.5
Therefore 172.5
D
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Re: Last year Elaine spent 20% of her annual earnings on rent [#permalink] New post   26 Sep 2021, 19:13
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Last year Elaine spent 20% of her annual earnings on rent [#permalink]
26 Sep 2021, 19:13
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