a child puts $1.00 into a piggy bank. one week later, he puts $1.25 in the bank. two weeks later, he puts $1.50 in the bank, and

Question

PtichkaEL [24]

2 years ago

5

a child puts $1.00 into a piggy bank. one week later, he puts $1.25 in the bank. two weeks later, he puts $1.50 in the bank, and

so on. how much money does he put in the bank on the 25th week?

Mathematics

1 answer:

Levart [38] · Answer 1 · 2023-11-28T02:16:56+03:00

He puts 100$ in the bank on the 25th week.

An example of a financial institution that lends money is a bank, which both collects deposits from the public and creates demand deposits. Through the capital markets, the bank may engage in lending activities directly or indirectly.

Banks are heavily regulated in most countries because they are essential to the financial stability and economic health of a nation. The fractional reserve banking system, in which banks maintain liquid assets that are only partially comparable to their current liabilities, has been institutionalized in the majority of countries. In addition to other constraints intended to assure liquidity, banks are often subject to minimum capital requirements based on an international set of capital norms known as the Basel Accords.

Explanation:

First term( $a_{1}$ )= 1

Common difference= 1.25-1=0.25

$a_{25}=1+(25-1).25\\ =1+(24)(.25)\\ = 1+6\\=7$

$S_{25}=\frac{25}{2} (1+7)\\=\frac{25}{2}(8)\\ =100$

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