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If k is the number of households with exactly 2 televisions, then the

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If k is the number of households with exactly 2 televisions, then the [#permalink] New post   30 Sep 2022, 03:35
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If k is the number of households with exactly 2 televisions, then the number of households with exactly 4 televisions is

A. k - 4
B. 2k
C. k/100 - 4
D. 5k/6
E. 500k/6

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D
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Re: If k is the number of households with exactly 2 televisions, then the [#permalink] New post   30 Sep 2022, 09:00
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Number of households with exactly 2 televisions = 24% of Total = k (given)
=> \(\frac{24}{100 * Total}\) = k
=> Total = k * \(\frac{25}{6}\)

The number of households with exactly 4 televisions = 20% of Total = \(\frac{20}{100}\) * k * \(\frac{25}{6}\) = \(\frac{5k}{6 }\)

So, Answer will be D
Hope it helps!
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Re: If k is the number of households with exactly 2 televisions, then the [#permalink] New post   20 Oct 2022, 21:30
Simple solution, assume that there are 100 TV sets in total
So, The exact number of household with 2 TV sets would be 24 and with 4TV sets would be 20
Given 24=k ; then 20=?
24 *(20/24) = k *(20/24) that gives you 20=5/6k
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Re: If k is the number of households with exactly 2 televisions, then the [#permalink] New post   21 Nov 2024, 03:15
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