Math Problem Statement

24.4 Laske

Mikä summa on talletettu säästötilille kaksi vuotta sitten, kun tilin saldo on tällä hetkellä 1 200 € ja tilin korkokanta on 3,5 %. Huomioi lähdevero.

Solution

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Math Problem Analysis

Mathematical Concepts

Compound Interest
Algebra

Formulas

A = P * (1 + r)^t
P = A / (1 + r)^t
r = Interest rate after tax = 3.5% * (1 - 0.30)

Theorems

Compound Interest Formula

Suitable Grade Level

Grades 10-12