Unravel The Account

Algebra Level 2

In January of the year 2015,Ken Kaneki opened a savings amount with $200.In February of the year,he deposited $210.In each of subsequent months,the amount that he deposited into his savings is increased by $10 over the preceeding month.

What total amount Kaneki will have in his account on starting of year 2016?


The answer is 3060.

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2 solutions

Hello and peace be upon me & you,

As of january 2016, there will be 12 months of saving the money, it is in an arithmetic from the statement...

Let a = 200 , d = 10 , n = 12 months,

By applying, Sn = total amount of saving,

Sn = n/2 x [ 2a + (n-1) d ],

pooom, you will get the answer....

Thanks...

Nice solution @MOHD NAIM MOHD AMIN

I liked the first line of your solution.

Anuj Shikarkhane - 6 years, 2 months ago

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Haha, thanks buddy....

MOHD NAIM MOHD AMIN - 6 years, 2 months ago

and peace upon you too thanks for write a solution for my question

Muhammad Fadzlan - 6 years, 2 months ago

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No problemo , buddy...

MOHD NAIM MOHD AMIN - 6 years, 2 months ago
Cathleen Chen
May 6, 2015

Haha, Kaneki Ken.

"Tokyo Ghoul"

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