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A waitress's income consists of her salary and tips.

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A waitress's income consists of her salary and tips.  [#permalink]

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New post Updated on: 22 Oct 2015, 09:14
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A waitress's income consists of her salary and tips.During one week ,her tips were 5/4 of her salary.What fraction of her income for the week came from tips?

A) 1/9

B)1/6

C)1/3

D)4/9

E)5/9

Originally posted by R1p3r on 22 Oct 2015, 08:48.
Last edited by carcass on 22 Oct 2015, 09:14, edited 1 time in total.
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Re: A waitress's income consists of her salary and tips.  [#permalink]

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Re: A waitress's income consists of her salary and tips.  [#permalink]

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New post 22 Oct 2015, 11:16
R1p3r wrote:
A waitress's income consists of her salary and tips.During one week ,her tips were 5/4 of her salary.What fraction of her income for the week came from tips?

A) 1/9

B)1/6

C)1/3

D)4/9

E)5/9


We can also plug in some nice values that satisfy the given information.

Her tips were 5/4 of her salary.
Let's say her salary = $4
This mean her tips = (5/4)($4) = $5
So, her TOTAL INCOME = $4 + $5 = $9

What fraction of her income for the week came from tips
$5/$9 = 5/9
= E

Cheers,
Brent
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Re: A waitress's income consists of her salary and tips.  [#permalink]

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New post 26 Jul 2017, 16:15
R1p3r wrote:
A waitress's income consists of her salary and tips.During one week ,her tips were 5/4 of her salary.What fraction of her income for the week came from tips?

A) 1/9

B)1/6

C)1/3

D)4/9

E)5/9


We can let the salary = x and the tips = 5x/4.

Thus, tips are (5x/4)/(x + 5x/4) = (5x/4)/(4x/4 + 5x/4) = (5x/4)/(9x/4) = 5/9 of her income.

Answer: E
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Re: A waitress's income consists of her salary and tips.   [#permalink] 26 Jul 2017, 16:15
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