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If the tax in CA increases by 20% each year for the next 4 y

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Carcass
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If the tax in CA increases by 20% each year for the next 4 y [#permalink] New post   27 Jul 2018, 09:00
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electricity.jpg
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If the tax in CA increases by 20% each year for the next 4 years, and the energy cost in CA remains the same each year for the next 4 years, what will be the positive difference, in dollars, between the CA tax and the CA energy cost in 4 years?

A. 0

B. 1.34

C. 2.59

D. 3.12

E. It cannot be determined from the information given

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Re: If the tax in CA increases by 20% each year for the next 4 y [#permalink] New post   27 Jul 2018, 10:37
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Carcass wrote:
Attachment:
electricity.jpg


If the tax in CA increases by 20% each year for the next 4 years, and the energy cost in CA remains the same each year for the next 4 years, what will be the positive difference, in dollars, between the CA tax and the CA energy cost in 4 years?

A. 0

B. 1.34

C. 2.59

D. 3.12

E. It cannot be determined from the information given

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From the graph the Tax in CA = 9 and the energy cost = 20

Now tax in CA at the end of 4th year = 9(1+20100)4=9∗(1.2∗1.2∗1.2∗1.2)=9∗1.44∗1.44=18.66

so the positive difference between the energy cost and the tax in dollars = 20−18.66=1.34

I.e option B
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Re: If the tax in CA increases by 20% each year for the next 4 y [#permalink] New post   13 Mar 2022, 03:46
Hello from the GRE Prep Club BumpBot!

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Re: If the tax in CA increases by 20% each year for the next 4 y [#permalink]
13 Mar 2022, 03:46
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