1. Brothers Anže and Uroš have a total of 312 euros. If Anže gave Uroš $4 \%$ of his amount, Uroš would have 4 times as much as Anže. Calculate the amounts that Anže and Uroš have.
1. We consider that the brothers together have $x+y=312$ euros. From the problem statement, we write the equation $\left(x-\frac{4}{100} x\right) \cdot 4=y+\frac{4}{100} x$. In the equation, we remove the parentheses $4 x-\frac{4}{25} x=312-x+\frac{1}{25}$ and rearrange it $96 x+24 x=7800$. We calculate $x=65$. Then we calculate $y=247$. We write the answer: Anže had 65 euros, and Uroš had 247 euros.

We write the relationship $x+y=312$ or $x=312-y \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots \ldots$

![](https://cdn.mathpix.com/cropped/2024_06_07_7bf3e9b12130e254269ag-06.jpg?height=57&width=1636&top_left_y=1822&top_left_x=210)

![](https://cdn.mathpix.com/cropped/2024_06_07_7bf3e9b12130e254269ag-06.jpg?height=54&width=1636&top_left_y=1869&top_left_x=207)

![](https://cdn.mathpix.com/cropped/2024_06_07_7bf3e9b12130e254269ag-06.jpg?height=57&width=1636&top_left_y=1919&top_left_x=210)

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