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Mikhail takes x minutes to type y pages. How many hours will he take

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Mikhail takes x minutes to type y pages. How many hours will he take  [#permalink]

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New post 27 Oct 2017, 10:53
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A
B
C
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E

Difficulty:

  55% (hard)

Question Stats:

53% (00:59) correct 47% (00:53) wrong based on 58 sessions

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Mikhail takes x minutes to type y pages. How many hours will he take to type m bundles of pages if each bundle contains 1000 pages?

A.\(\frac{1000mx}{y}\)
B.\(\frac{1000my}{x}\)
C.\(\frac{50mx}{3y}\)
D.\(\frac{50my}{3x}\)
E.\(\frac{50mxy}{3}\)

Source: Experts Global

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Mikhail takes x minutes to type y pages. How many hours will he take  [#permalink]

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New post 27 Oct 2017, 18:50
pushpitkc wrote:
Mikhail takes x minutes to type y pages. How many hours will he take to type m bundles of pages if each bundle contains 1000 pages?

A.\(\frac{1000mx}{y}\)
B.\(\frac{1000my}{x}\)
C.\(\frac{50mx}{3y}\)
D.\(\frac{50my}{3x}\)
E.\(\frac{50mxy}{3}\)

Source: Experts Global



Hi....

Two ways..
1) proper method
Y pages in x min or x/60 h....
So 1 page in x/60y....
1000m pages in 1000*m*x/60y=50mx/3y
C
2) substitute smart numbers..
Take m as 1, x as 60min and y as 1000..
So our answer too should be 60min and here 1 hour..
C gives you 1 as answer..
C
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Re: Mikhail takes x minutes to type y pages. How many hours will he take  [#permalink]

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New post 27 Oct 2017, 19:06
y pages .......=x mins
1.................= \(\frac{x}{y}\) mins
1000m........= \(\frac{x}{y}\)*1000m mins

Divide by 60 to get the answer in hours

=\(\frac{x}{y}\)*\(\frac{1000m}{60}\)

= \(\frac{50mx}{3y}\)

Answer: C.
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Re: Mikhail takes x minutes to type y pages. How many hours will he take  [#permalink]

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New post 28 Oct 2017, 02:48
y pages .......=x mins
1.................= xyxy mins
1000m........= xyxy*1000m mins

Divide by 60 to get the answer in hours

=xyxy*1000m601000m60

= 50mx3y50mx3y

Answer: C.
Re: Mikhail takes x minutes to type y pages. How many hours will he take &nbs [#permalink] 28 Oct 2017, 02:48
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